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83957392412 = 2265473205949
BaseRepresentation
bin100111000110001000…
…0000010010000011100
322000201010122102211022
41032030100002100130
52333421043024122
6102323002143312
76031354026545
oct1161420022034
9260633572738
1083957392412
1132673839623
12143311b1b38
137bbcc88b2a
1440c659b4cc
1522b5b29642
hex138c40241c

83957392412 has 12 divisors (see below), whose sum is σ = 146947924200. Its totient is φ = 41972271216.

The previous prime is 83957392399. The next prime is 83957392423. The reversal of 83957392412 is 21429375938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576787 + ... + 1629162.

It is an arithmetic number, because the mean of its divisors is an integer number (12245660350).

Almost surely, 283957392412 is an apocalyptic number.

It is an amenable number.

83957392412 is a deficient number, since it is larger than the sum of its proper divisors (62990531788).

83957392412 is a wasteful number, since it uses less digits than its factorization.

83957392412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212500 (or 3212498 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The spelling of 83957392412 in words is "eighty-three billion, nine hundred fifty-seven million, three hundred ninety-two thousand, four hundred twelve".

Divisors: 1 2 4 6547 13094 26188 3205949 6411898 12823796 20989348103 41978696206 83957392412