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Apr 22nd, 2018
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  1. sum = 0
  2. 10.upto(10**100) do |i|
  3. rotated = (i.to_s[i.to_s.length-1,1] + i.to_s[0..i.to_s.length-2]).to_i
  4. sum += i if(rotated % i == 0)
  5. end
  6. puts sum
  7. puts sum.to_s[sum.to_s.length-6, 5]
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