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Originally Posted by welshbyte
Nice one roboshark, very elegant. Have to say i was trying to stick to ints because j0hnb specified ints in his question but yours seems a much better way of doing it.
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Thanks. Elegant code is so much more rewarding.
However, don't knock your solution completely. If the input can be represented as a string (such as reading the number from the command line), a solution such as bacon's or mine would be the best one. However, if the input is already in integer form (though the integer the OP specified won't fit into a 32 bit integer), then a solution along the lines you've presented will be the only choice. And yours looks pretty elegant to me!