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12013311230304 = 253711762516319
BaseRepresentation
bin1010111011010001000100…
…1001100000000101100000
31120112110110022111122222020
42232310101021200011200
53033311230133332204
641314501115541440
72346635023422066
oct256642111400540
946473408448866
1012013311230304
1139118a900418a
12142031575a880
13691b093c1c17
142d7639802036
1515c76184dbd9
hexaed11260160

12013311230304 has 48 divisors (see below), whose sum is σ = 31979096110080. Its totient is φ = 3948036552320.

The previous prime is 12013311230293. The next prime is 12013311230321. The reversal of 12013311230304 is 40303211331021.

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

It is a super-2 number, since 2×120133112303042 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881251344 + ... + 881264975.

It is an arithmetic number, because the mean of its divisors is an integer number (666231168960).

Almost surely, 212013311230304 is an apocalyptic number.

It is an amenable number.

12013311230304 is an abundant number, since it is smaller than the sum of its proper divisors (19965784879776).

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

12013311230304 is a wasteful number, since it uses less digits than its factorization.

12013311230304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762516403 (or 1762516395 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12013311230304 its reverse (40303211331021), we get a palindrome (52316522561325).

The spelling of 12013311230304 in words is "twelve trillion, thirteen billion, three hundred eleven million, two hundred thirty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 1762516319 3525032638 5287548957 7050065276 10575097914 14100130552 21150195828 28200261104 42300391656 56400522208 84600783312 125138658649 169201566624 250277317298 375415975947 500554634596 750831951894 1001109269192 1501663903788 2002218538384 3003327807576 4004437076768 6006655615152 12013311230304