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77234996923 = 721576224427
BaseRepresentation
bin100011111101110010…
…0001000011010111011
321101100122021100211121
41013323210020122323
52231134124400143
655251542010111
75402645433100
oct1077344103273
9241318240747
1077234996923
112a834162377
1212b75a16937
13738b33c116
143a49864aa7
1520208987ed
hex11fb9086bb

77234996923 has 6 divisors (see below), whose sum is σ = 89844792396. Its totient is φ = 66201425892.

The previous prime is 77234996897. The next prime is 77234996939. The reversal of 77234996923 is 32969943277.

It is not a de Polignac number, because 77234996923 - 213 = 77234988731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77234996963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788112165 + ... + 788112262.

It is an arithmetic number, because the mean of its divisors is an integer number (14974132066).

Almost surely, 277234996923 is an apocalyptic number.

77234996923 is a deficient number, since it is larger than the sum of its proper divisors (12609795473).

77234996923 is a wasteful number, since it uses less digits than its factorization.

77234996923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576224441 (or 1576224434 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 61.

The spelling of 77234996923 in words is "seventy-seven billion, two hundred thirty-four million, nine hundred ninety-six thousand, nine hundred twenty-three".

Divisors: 1 7 49 1576224427 11033570989 77234996923