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13312552404 = 22361675212
BaseRepresentation
bin11000110010111110…
…10110110111010100
31021100202220201202110
430121133112313110
5204231003134104
610040554111020
7650616554064
oct143137266724
937322821673
1013312552404
115711652728
1226b641b470
131342076058
149040893a4
1552dadee89
hex3197d6dd4

13312552404 has 72 divisors (see below), whose sum is σ = 32104688224. Its totient is φ = 4291372800.

The previous prime is 13312552387. The next prime is 13312552411. The reversal of 13312552404 is 40425521331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25551664 + ... + 25552184.

Almost surely, 213312552404 is an apocalyptic number.

It is an amenable number.

13312552404 is an abundant number, since it is smaller than the sum of its proper divisors (18792135820).

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

13312552404 is an equidigital number, since it uses as much as digits as its factorization.

13312552404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 13312552404 in words is "thirteen billion, three hundred twelve million, five hundred fifty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 61 67 122 134 183 201 244 268 366 402 521 732 804 1042 1563 2084 3126 4087 6252 8174 12261 16348 24522 31781 34907 49044 63562 69814 95343 104721 127124 139628 190686 209442 271441 381372 418884 542882 814323 1085764 1628646 2129327 3257292 4258654 6387981 8517308 12775962 16557901 18186547 25551924 33115802 36373094 49673703 54559641 66231604 72746188 99347406 109119282 198694812 218238564 1109379367 2218758734 3328138101 4437517468 6656276202 13312552404