
Problem 16
Published on 03 May 2002 at 05:00 pm [Server Time]
$2^{15} = 32768$ and the sum of its digits is $3 + 2 + 7 + 6 + 8 = 26$.
What is the sum of the digits of the number $2^{1000}$?

$2^{15} = 32768$ and the sum of its digits is $3 + 2 + 7 + 6 + 8 = 26$.
What is the sum of the digits of the number $2^{1000}$?