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86927934895 = 51753102118899
BaseRepresentation
bin101000011110101001…
…1110000010110101111
322022101011020122001021
41100331103300112233
52411012022404040
6103533435155011
76165104153344
oct1207523602657
9268334218037
1086927934895
113395860a10a
1214a1bba5a67
138274528289
1442c8cd67cb
1523db80024a
hex143d4f05af

86927934895 has 32 divisors (see below), whose sum is σ = 112649745600. Its totient is φ = 64150394880.

The previous prime is 86927934889. The next prime is 86927934937. The reversal of 86927934895 is 59843972968.

It is not a de Polignac number, because 86927934895 - 23 = 86927934887 is a prime.

It is a super-2 number, since 2×869279348952 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4590156 + ... + 4609054.

It is an arithmetic number, because the mean of its divisors is an integer number (3520304550).

Almost surely, 286927934895 is an apocalyptic number.

86927934895 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86927934895 is a deficient number, since it is larger than the sum of its proper divisors (25721810705).

86927934895 is a wasteful number, since it uses less digits than its factorization.

86927934895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995.

The product of its digits is 235146240, while the sum is 70.

The spelling of 86927934895 in words is "eighty-six billion, nine hundred twenty-seven million, nine hundred thirty-four thousand, eight hundred ninety-five".

Divisors: 1 5 17 53 85 265 901 1021 4505 5105 17357 18899 54113 86785 94495 270565 321283 919921 1001647 1606415 4599605 5008235 17027999 19295879 85139995 96479395 328029943 1022681587 1640149715 5113407935 17385586979 86927934895