10009...00901 (49-digits)
This number is a prime.
100094410 0094310009 2610009201 0009081000 9051000901
Just showing those entries submitted by 'Bajpai': (Click here to show all)
The smallest prime P formed from the reverse concatenation
of n consecutive n-digit Harshad (Niven) numbers, i.e.,
{1000944, 1000943, 1000926, 1000920, 1000908, 1000905,
1000901}, (case n=7). Curiously, sod(P)=109 is an
invertible prime. [Bajpai]
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