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57145872246 = 23127601124783
BaseRepresentation
bin110101001110001010…
…001100111101110110
312110111121001002111220
4311032022030331312
51414013320402441
642130310211210
74062061620351
oct651612147566
9173447032456
1057145872246
112226539a6a1
12b0aa053b06
13550935aab8
142aa17bd298
151746dc5466
hexd4e28cf76

57145872246 has 32 divisors (see below), whose sum is σ = 115384270848. Its totient is φ = 18867038400.

The previous prime is 57145872233. The next prime is 57145872293. The reversal of 57145872246 is 64227854175.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395571 + ... + 520353.

It is an arithmetic number, because the mean of its divisors is an integer number (3605758464).

Almost surely, 257145872246 is an apocalyptic number.

57145872246 is an abundant number, since it is smaller than the sum of its proper divisors (58238398602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57145872246 is a wasteful number, since it uses less digits than its factorization.

57145872246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125516.

The product of its digits is 3763200, while the sum is 51.

The spelling of 57145872246 in words is "fifty-seven billion, one hundred forty-five million, eight hundred seventy-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 127 254 381 601 762 1202 1803 3606 76327 124783 152654 228981 249566 374349 457962 748698 15847441 31694882 47542323 74994583 95084646 149989166 224983749 449967498 9524312041 19048624082 28572936123 57145872246