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86257807368 = 23317920078633
BaseRepresentation
bin101000001010101011…
…1011011000000001000
322020122110021121220020
41100111113123000020
52403123444313433
6103343140100440
76142356156645
oct1202527330010
9266573247806
1086257807368
1133644313407
1214873694720
138198747b05
144263cd6dcc
15239ca7dcb3
hex14155db008

86257807368 has 32 divisors (see below), whose sum is σ = 216849247200. Its totient is φ = 28591971968.

The previous prime is 86257807357. The next prime is 86257807369. The reversal of 86257807368 is 86370875268.

It is not an unprimeable number, because it can be changed into a prime (86257807369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10035021 + ... + 10043612.

It is an arithmetic number, because the mean of its divisors is an integer number (6776538975).

Almost surely, 286257807368 is an apocalyptic number.

It is an amenable number.

86257807368 is an abundant number, since it is smaller than the sum of its proper divisors (130591439832).

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

86257807368 is a wasteful number, since it uses less digits than its factorization.

86257807368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078821 (or 20078817 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 86257807368 in words is "eighty-six billion, two hundred fifty-seven million, eight hundred seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 179 358 537 716 1074 1432 2148 4296 20078633 40157266 60235899 80314532 120471798 160629064 240943596 481887192 3594075307 7188150614 10782225921 14376301228 21564451842 28752602456 43128903684 86257807368