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86957521748 = 2226838102639
BaseRepresentation
bin101000011111100010…
…0100111101101010100
322022110012220210120122
41100333010213231110
52411042111143443
6103540413251112
76165613511366
oct1207704475524
9268405823518
1086957521748
1133973288159
1214a29a93a98
13827a6b71a6
1442ccbd8d36
1523de1e6968
hex143f127b54

86957521748 has 12 divisors (see below), whose sum is σ = 152232400320. Its totient is φ = 43462550232.

The previous prime is 86957521747. The next prime is 86957521751. The reversal of 86957521748 is 84712575968.

It is a super-2 number, since 2×869575217482 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86957521747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040588 + ... + 4062051.

It is an arithmetic number, because the mean of its divisors is an integer number (12686033360).

Almost surely, 286957521748 is an apocalyptic number.

It is an amenable number.

86957521748 is a deficient number, since it is larger than the sum of its proper divisors (65274878572).

86957521748 is a wasteful number, since it uses less digits than its factorization.

86957521748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105326 (or 8105324 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 62.

The spelling of 86957521748 in words is "eighty-six billion, nine hundred fifty-seven million, five hundred twenty-one thousand, seven hundred forty-eight".

Divisors: 1 2 4 2683 5366 10732 8102639 16205278 32410556 21739380437 43478760874 86957521748