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57075852384 = 2532557355799
BaseRepresentation
bin110101001001111111…
…000110010001100000
312110022201021201022200
4311021333012101200
51413342404234014
642115325333200
74060251511665
oct651177062140
9173281251280
1057075852384
1122229915741
12b08a707200
1354c79b3225
142a96393a6c
151740b93a09
hexd49fc6460

57075852384 has 72 divisors (see below), whose sum is σ = 162601311600. Its totient is φ = 18991074048.

The previous prime is 57075852341. The next prime is 57075852391. The reversal of 57075852384 is 48325857075.

57075852384 is a `hidden beast` number, since 57 + 0 + 7 + 585 + 2 + 3 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 57075852384.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17484 + ... + 338315.

It is an arithmetic number, because the mean of its divisors is an integer number (2258351550).

Almost surely, 257075852384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57075852384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81300655800).

57075852384 is an abundant number, since it is smaller than the sum of its proper divisors (105525459216).

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

57075852384 is a wasteful number, since it uses less digits than its factorization.

57075852384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356372 (or 356361 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 57075852384 in words is "fifty-seven billion, seventy-five million, eight hundred fifty-two thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 557 1114 1671 2228 3342 4456 5013 6684 8912 10026 13368 17824 20052 26736 40104 53472 80208 160416 355799 711598 1067397 1423196 2134794 2846392 3202191 4269588 5692784 6404382 8539176 11385568 12808764 17078352 25617528 34156704 51235056 102470112 198180043 396360086 594540129 792720172 1189080258 1585440344 1783620387 2378160516 3170880688 3567240774 4756321032 6341761376 7134481548 9512642064 14268963096 19025284128 28537926192 57075852384