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207287407971101 is a prime number
BaseRepresentation
bin101111001000011011011100…
…010100011000101100011101
31000011221111000212101201101002
4233020123130110120230131
5204132144102420033401
62012510304241200045
761443010131114023
oct5710333424305435
91004844025351332
10207287407971101
1160059106912237
121b2b9831630025
138b88170a16c23
143928a9a8b0713
1518e704b735a6b
hexbc86dc518b1d

207287407971101 has 2 divisors, whose sum is σ = 207287407971102. Its totient is φ = 207287407971100.

The previous prime is 207287407971067. The next prime is 207287407971169. The reversal of 207287407971101 is 101179704782702.

It is a happy number.

207287407971101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120247651131001 + 87039756840100 = 10965749^2 + 9329510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-207287407971101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207287407971001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103643703985550 + 103643703985551.

It is an arithmetic number, because the mean of its divisors is an integer number (103643703985551).

Almost surely, 2207287407971101 is an apocalyptic number.

It is an amenable number.

207287407971101 is a deficient number, since it is larger than the sum of its proper divisors (1).

207287407971101 is an equidigital number, since it uses as much as digits as its factorization.

207287407971101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2765952, while the sum is 56.

The spelling of 207287407971101 in words is "two hundred seven trillion, two hundred eighty-seven billion, four hundred seven million, nine hundred seventy-one thousand, one hundred one".