Problem 252. Project Euler: Problem 16, Sums of Digits of Powers of Two
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^N?
Thanks to Project Euler Problem 16.
Solution Stats
Problem Comments
-
2 Comments
@bmtran (Bryant Tran)
on 4 Feb 2012
added a test case to make it a wee bit harder
Hoang Minh Tri
on 19 Nov 2025
ta cần nhân 2 cho đến khi đủ mũ n và hãy lưu ý rằng nên để kết quả dưới dạng char để tránh bị tràn số vì input là mũ rất lớn
Solution Comments
Show commentsProblem Recent Solvers175
Suggested Problems
-
Remove the polynomials that have positive real elements of their roots.
1737 Solvers
-
218 Solvers
-
460 Solvers
-
Convert given decimal number to binary number.
2261 Solvers
-
Given a square and a circle, please decide whether the square covers more area.
1685 Solvers
More from this Author56
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!