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57415175994 = 2311869926909
BaseRepresentation
bin110101011110001101…
…100000111100111010
312111012100210010210210
4311132031200330322
51420041241112434
642213130251550
74101541641441
oct653615407472
9174170703723
1057415175994
1122393408580
12b164286bb6
13555009ba27
142ac9481d58
15176086dee9
hexd5e360f3a

57415175994 has 16 divisors (see below), whose sum is σ = 125269475040. Its totient is φ = 17398538160.

The previous prime is 57415175969. The next prime is 57415176001. The reversal of 57415175994 is 49957151475.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434963389 + ... + 434963520.

It is an arithmetic number, because the mean of its divisors is an integer number (7829342190).

Almost surely, 257415175994 is an apocalyptic number.

57415175994 is an abundant number, since it is smaller than the sum of its proper divisors (67854299046).

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

57415175994 is a wasteful number, since it uses less digits than its factorization.

57415175994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869926925.

The product of its digits is 7938000, while the sum is 57.

The spelling of 57415175994 in words is "fifty-seven billion, four hundred fifteen million, one hundred seventy-five thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 869926909 1739853818 2609780727 5219561454 9569195999 19138391998 28707587997 57415175994