title: Sum of the digits of the number 2^1000
body: <p>2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.</p>
  
  <p>What is the sum of the digits of the number 2 power of 1000 (2^1000)?</p>
  
  <p>Can anyone provide the solution or algorithm for this problem in java?</p>