The expression you provided appears to be a concatenation of two very large numbers: 1 followed by 21 zeros (1 sextillion) and 1 followed by 48 zeros (1 quindecillion). If you meant to perform an operation between them, please specify, as currently, it's simply a representation of two distinct large values.
10000000000000000000000000000000000000000000000000000000000000 = 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
100000000000000000000
1000000000000000000000 written in word form is: one sextillion.
The product of (100000000000000000000000000000000000000000000000000000000000000000000000) and (1000000000000000000000) is (100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000). This can be expressed in scientific notation as (1 \times 10^{75}).
2000000000000000000000
10000000000000000000000000000000000000000000000000000000000000 = 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
10000000000000000000000000000000000000000076500
100000000000000000000
1000000000000000000000 written in word form is: one sextillion.
a number
a number
1000000000000000000000
The product of (100000000000000000000000000000000000000000000000000000000000000000000000) and (1000000000000000000000) is (100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000). This can be expressed in scientific notation as (1 \times 10^{75}).
2000000000000000000000
100000000000 x 1000000000000000000000 = 100000000000000000000000000000000
One sextillion.
1000000000000000000000