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57408878792 = 2332503220783
BaseRepresentation
bin110101011101110101…
…011111100011001000
312111011220221012200002
4311131311133203020
51420033133110132
642212343302132
74101434263316
oct653565374310
9174156835602
1057408878792
112238a8a7381
12b16214a948
13554b9a5685
142ac86c30b6
151760028262
hexd5dd5f8c8

57408878792 has 16 divisors (see below), whose sum is σ = 107645447040. Its totient is φ = 28703426256.

The previous prime is 57408878783. The next prime is 57408878797. The reversal of 57408878792 is 29787880475.

It is not an unprimeable number, because it can be changed into a prime (57408878797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149633 + ... + 370415.

It is an arithmetic number, because the mean of its divisors is an integer number (6727840440).

Almost surely, 257408878792 is an apocalyptic number.

It is an amenable number.

57408878792 is a deficient number, since it is larger than the sum of its proper divisors (50236568248).

57408878792 is a wasteful number, since it uses less digits than its factorization.

57408878792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253292 (or 253288 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 65.

The spelling of 57408878792 in words is "fifty-seven billion, four hundred eight million, eight hundred seventy-eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 32503 65006 130012 220783 260024 441566 883132 1766264 7176109849 14352219698 28704439396 57408878792