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80137210687 is a prime number
BaseRepresentation
bin100101010100010001…
…1001100101100111111
321122211220022002200021
41022220203030230333
52303110111220222
6100451534313011
75534606023522
oct1125043145477
9248756262607
1080137210687
1130a93403546
1213645958767
1377316a6681
143c43094bb9
152140573ac7
hex12a88ccb3f

80137210687 has 2 divisors, whose sum is σ = 80137210688. Its totient is φ = 80137210686.

The previous prime is 80137210631. The next prime is 80137210691. The reversal of 80137210687 is 78601273108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80137210687 - 211 = 80137208639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80137610687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40068605343 + 40068605344.

It is an arithmetic number, because the mean of its divisors is an integer number (40068605344).

Almost surely, 280137210687 is an apocalyptic number.

80137210687 is a deficient number, since it is larger than the sum of its proper divisors (1).

80137210687 is an equidigital number, since it uses as much as digits as its factorization.

80137210687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 80137210687 in words is "eighty billion, one hundred thirty-seven million, two hundred ten thousand, six hundred eighty-seven".