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12601444152 = 2331167712429
BaseRepresentation
bin10111011110001101…
…01100011100111000
31012112012211200121210
423233012230130320
5201301432203102
65442232403120
7624163336143
oct135706543470
935465750553
1012601444152
115387206560
1225382464a0
13125a94783b
1487785d05a
154db47636c
hex2ef1ac738

12601444152 has 64 divisors (see below), whose sum is σ = 34880572800. Its totient is φ = 3761619840.

The previous prime is 12601444067. The next prime is 12601444213. The reversal of 12601444152 is 25144410621.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 338527 + ... + 373902.

It is an arithmetic number, because the mean of its divisors is an integer number (545008950).

Almost surely, 212601444152 is an apocalyptic number.

12601444152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12601444152 is an abundant number, since it is smaller than the sum of its proper divisors (22279128648).

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

12601444152 is a wasteful number, since it uses less digits than its factorization.

12601444152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712516 (or 712512 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12601444152 its reverse (25144410621), we get a palindrome (37745854773).

The spelling of 12601444152 in words is "twelve billion, six hundred one million, four hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 67 88 132 134 201 264 268 402 536 737 804 1474 1608 2211 2948 4422 5896 8844 17688 712429 1424858 2137287 2849716 4274574 5699432 7836719 8549148 15673438 17098296 23510157 31346876 47020314 47732743 62693752 94040628 95465486 143198229 188081256 190930972 286396458 381861944 525060173 572792916 1050120346 1145585832 1575180519 2100240692 3150361038 4200481384 6300722076 12601444152