118691981

This number is a prime.

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The smallest invertible prime that is the sum of 19 consecutive strobogrammatic numbers, i.e., (6100019 + 6101019 + 6108019 + 6110119 + ... + 6610199). [Bajpai]

Submitted: 2018-06-05 15:43:28;   Last Modified: 2020-06-17 11:53:11.
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