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57931580984 = 2325728176839
BaseRepresentation
bin110101111100111111…
…011100011000111000
312112112100111020021112
4311330333130120320
51422120441042414
642340254455452
74120412212364
oct657477343070
9175470436245
1057931580984
112262895a262
12b289204588
135603078b04
142b37ca82a4
151790d77d3e
hexd7cfdc638

57931580984 has 16 divisors (see below), whose sum is σ = 109044370800. Its totient is φ = 28853082112.

The previous prime is 57931580951. The next prime is 57931581011. The reversal of 57931580984 is 48908513975.

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, 14086364 + ... + 14090475.

It is an arithmetic number, because the mean of its divisors is an integer number (6815273175).

Almost surely, 257931580984 is an apocalyptic number.

It is an amenable number.

57931580984 is a deficient number, since it is larger than the sum of its proper divisors (51112789816).

57931580984 is a wasteful number, since it uses less digits than its factorization.

57931580984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28177102 (or 28177098 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 57931580984 in words is "fifty-seven billion, nine hundred thirty-one million, five hundred eighty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 257 514 1028 2056 28176839 56353678 112707356 225414712 7241447623 14482895246 28965790492 57931580984