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Add'em all ! (Posted on 2017-07-27) Difficulty: 4 of 5
The number, 1406357289, is a 0 to 9 pandigital number because it is made up of each of the digits 0 to 9 in some order, but it also has a rather interesting sub-string divisibility property:

d2d3d4=406 is divisible by 2
d3d4d5=063 is divisible by 3
d4d5d6=635 is divisible by 5
d5d6d7=357 is divisible by 7
d6d7d8=572 is divisible by 11
d7d8d9=728 is divisible by 13
d8d9d10=289 is divisible by 17

Find the sum of all 0 to 9 pandigital numbers with this property.

  Submitted by Ady TZIDON    
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Solution: (Hide)
16,695,334,890 - see Charlie's detailed results

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Solutionhand solutionJer2017-07-27 12:43:06
work by handxdog2017-07-27 10:59:15
Solutioncomputer solution (spoiler)Charlie2017-07-27 10:30:14
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