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52907613642 = 2331375366971
BaseRepresentation
bin110001010001100010…
…100001110111001010
312001120020000020201000
4301101202201313022
51331323322114032
640145545435430
73552046203312
oct612142416712
9161506006630
1052907613642
112048aa72234
12a30679bb76
134cb2278080
1427bc968442
151599c89e7c
hexc518a1dca

52907613642 has 32 divisors (see below), whose sum is σ = 126616512960. Its totient is φ = 16279265520.

The previous prime is 52907613637. The next prime is 52907613701. The reversal of 52907613642 is 24631670925.

52907613642 is a `hidden beast` number, since 5 + 29 + 0 + 7 + 613 + 6 + 4 + 2 = 666.

It is a super-2 number, since 2×529076136422 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37682784 + ... + 37684187.

It is an arithmetic number, because the mean of its divisors is an integer number (3956766030).

Almost surely, 252907613642 is an apocalyptic number.

52907613642 is an abundant number, since it is smaller than the sum of its proper divisors (73708899318).

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

52907613642 is a wasteful number, since it uses less digits than its factorization.

52907613642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75366995 (or 75366989 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 52907613642 in words is "fifty-two billion, nine hundred seven million, six hundred thirteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 75366971 150733942 226100913 452201826 678302739 979770623 1356605478 1959541246 2034908217 2939311869 4069816434 5878623738 8817935607 17635871214 26453806821 52907613642