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Digit Sum Equation Puzzle (Posted on 2016-05-28) Difficulty: 3 of 5
N is a positive integer and S(N) denotes the sum of the digits.

Find all values of a positive integer constant C such that:
S(N) = C*S(N+3)

No Solution Yet Submitted by K Sengupta    
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re: Possible solution | Comment 3 of 5 |
(In reply to Possible solution by Jer)

I was thinking the same and have thougth to do an example with C=23. (22*6=132=6+9*14).

So that 32999999999999997 sum is 138=23*6 
(6 is the sum of 33*10^15.). C=23. 

  Posted by armando on 2016-05-28 15:14:04
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