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12494157405488 = 2411185057383609
BaseRepresentation
bin1011010111010000010111…
…0100000101110100110000
31122020102121022102021002122
42311310011310011310300
53114201013243433423
642323423042133412
72426446603445543
oct265640564056460
948212538367078
1012494157405488
113a878191515a0
121499550051268
136c826a264435
14312a12c8885a
1516a005b5e8c8
hexb5d05d05d30

12494157405488 has 40 divisors (see below), whose sum is σ = 26408316969360. Its totient is φ = 5679116963840.

The previous prime is 12494157405407. The next prime is 12494157405539. The reversal of 12494157405488 is 88450475149421.

It is a super-2 number, since 2×124941574054882 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12494157405488.

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, 32378228 + ... + 32761836.

It is an arithmetic number, because the mean of its divisors is an integer number (660207924234).

Almost surely, 212494157405488 is an apocalyptic number.

It is an amenable number.

12494157405488 is an abundant number, since it is smaller than the sum of its proper divisors (13914159563872).

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

12494157405488 is a wasteful number, since it uses less digits than its factorization.

12494157405488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568685 (or 568679 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 12494157405488 in words is "twelve trillion, four hundred ninety-four billion, one hundred fifty-seven million, four hundred five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 185057 370114 383609 740228 767218 1480456 1534436 2035627 2960912 3068872 4071254 4219699 6137744 8142508 8439398 16285016 16878796 32570032 33757592 67515184 70989530713 141979061426 283958122852 567916245704 780884837843 1135832491408 1561769675686 3123539351372 6247078702744 12494157405488