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27137631264 = 253521542579
BaseRepresentation
bin11001010001100001…
…110110010000100000
32121001021020111122020
4121101201312100200
5421034213200024
620244501341440
71650332026332
oct312141662040
977037214566
1027137631264
1110566538037
125314407880
13273636b9a3
14145622b452
15a8c6be979
hex651876420

27137631264 has 48 divisors (see below), whose sum is σ = 71373143520. Its totient is φ = 9028497920.

The previous prime is 27137631247. The next prime is 27137631271. The reversal of 27137631264 is 46213673172.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221274 + ... + 321305.

It is an arithmetic number, because the mean of its divisors is an integer number (1486940490).

Almost surely, 227137631264 is an apocalyptic number.

27137631264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27137631264 is an abundant number, since it is smaller than the sum of its proper divisors (44235512256).

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

27137631264 is a wasteful number, since it uses less digits than its factorization.

27137631264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543113 (or 543105 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The spelling of 27137631264 in words is "twenty-seven billion, one hundred thirty-seven million, six hundred thirty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 521 1042 1563 2084 3126 4168 6252 8336 12504 16672 25008 50016 542579 1085158 1627737 2170316 3255474 4340632 6510948 8681264 13021896 17362528 26043792 52087584 282683659 565367318 848050977 1130734636 1696101954 2261469272 3392203908 4522938544 6784407816 9045877088 13568815632 27137631264