13
10 digits
It is: 59
14
The largest number with 5 digits is 9999999999/14=7142.785714285714 take all the nos before the decimal point 7142 * 14 = 99988 so 99988 is the largest number with 5 digits that is divisible by 14.
The only prime number with two digits whose digits sum to 14 is 59. To determine this, we can list out the prime numbers with two digits (from 10 to 99) and check which one has digits that sum up to 14. The only number that satisfies this condition and is also a prime number is 59.
14
14
the answer is 95
AE8901100 14 digits of account number
14
One way of doing this is through trial and error. Choose a random number where the digits add up to 14. There isn't that many, the numbers are:59 and 68. 5+9= 14. However 95 -59 is 36, twice as much as 18. 6+8=14. And 86-68 is 18. So the number is 68.