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57919586388 = 2234826632199
BaseRepresentation
bin110101111100010001…
…101100000001010100
312112111111220211210020
4311330101230001110
51422104403231023
642335145425140
74120205234616
oct657421540124
9175444824706
1057919586388
1122622107574
12b28519b1b0
135600739411
142b36464db6
15178eca8de3
hexd7c46c054

57919586388 has 12 divisors (see below), whose sum is σ = 135145701600. Its totient is φ = 19306528792.

The previous prime is 57919586369. The next prime is 57919586419. The reversal of 57919586388 is 88368591975.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2413316088 + ... + 2413316111.

It is an arithmetic number, because the mean of its divisors is an integer number (11262141800).

Almost surely, 257919586388 is an apocalyptic number.

It is an amenable number.

57919586388 is an abundant number, since it is smaller than the sum of its proper divisors (77226115212).

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

57919586388 is a wasteful number, since it uses less digits than its factorization.

57919586388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826632206 (or 4826632204 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 69.

The spelling of 57919586388 in words is "fifty-seven billion, nine hundred nineteen million, five hundred eighty-six thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4826632199 9653264398 14479896597 19306528796 28959793194 57919586388