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80709746951 is a prime number
BaseRepresentation
bin100101100101010101…
…1010000000100000111
321201022210121221210002
41023022223100010013
52310243143400301
6101024425551515
75555030346461
oct1131253200407
9251283557702
1080709746951
1131257603509
121378564559b
1377c31a7822
143c9912d131
15217596916b
hex12caad0107

80709746951 has 2 divisors, whose sum is σ = 80709746952. Its totient is φ = 80709746950.

The previous prime is 80709746869. The next prime is 80709746969. The reversal of 80709746951 is 15964790708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80709746951 - 222 = 80705552647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80709746651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40354873475 + 40354873476.

It is an arithmetic number, because the mean of its divisors is an integer number (40354873476).

Almost surely, 280709746951 is an apocalyptic number.

80709746951 is a deficient number, since it is larger than the sum of its proper divisors (1).

80709746951 is an equidigital number, since it uses as much as digits as its factorization.

80709746951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 80709746951 in words is "eighty billion, seven hundred nine million, seven hundred forty-six thousand, nine hundred fifty-one".