A Quadrillion, I believe.
99999998900000001
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
999999 x 999999999999 ÷ 99999999999999 ≈ 9999.99
-1 -2 -3 -4 -5 -6 -7 -8 -9 -99 -999 -9999 -99999 -999999 -9999999 -99999999 -999999999
It is 1000999998.
245122011972
9.99999998 x 10^17
A Quadrillion, I believe.
99999998900000001
8.88888879E16
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
Prime factorization of 999999999 = 34 × 37 × 333667
999999 x 999999999999 ÷ 99999999999999 ≈ 9999.99
-1 -2 -3 -4 -5 -6 -7 -8 -9 -99 -999 -9999 -99999 -999999 -9999999 -99999999 -999999999
666,666,666 X 999,999,999 = 6.66666665 × 1017
999,999,999 x 89,898,775,345,606 = 89,898,775,255,707,224,654,394