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12088142664 = 2331338744047
BaseRepresentation
bin10110100001000001…
…00110101101001000
31011012102222021100120
423100200212231020
5144224031031124
65315254503240
7605361342303
oct132040465510
934172867316
1012088142664
115143494554
122414364b20
1311a84b6250
14829603b3a
154ab381d79
hex2d0826b48

12088142664 has 32 divisors (see below), whose sum is σ = 32545000320. Its totient is φ = 3719428416.

The previous prime is 12088142657. The next prime is 12088142687. The reversal of 12088142664 is 46624188021.

It is a super-2 number, since 2×120881426642 (a number of 21 digits) contains 22 as substring.

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, 19371712 + ... + 19372335.

It is an arithmetic number, because the mean of its divisors is an integer number (1017031260).

Almost surely, 212088142664 is an apocalyptic number.

It is an amenable number.

12088142664 is an abundant number, since it is smaller than the sum of its proper divisors (20456857656).

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

12088142664 is a wasteful number, since it uses less digits than its factorization.

12088142664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38744069 (or 38744065 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 12088142664 in words is "twelve billion, eighty-eight million, one hundred forty-two thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 38744047 77488094 116232141 154976188 232464282 309952376 464928564 503672611 929857128 1007345222 1511017833 2014690444 3022035666 4029380888 6044071332 12088142664