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13064991564 = 2237873138289
BaseRepresentation
bin11000010101011101…
…11111001101001100
31020201112002100010110
430022232333031030
5203224114212224
610000232040020
7641522411262
oct141256771514
936645070113
1013064991564
1155a4935599
122647533010
1313029a8951
148bd246432
15516edd929
hex30abbf34c

13064991564 has 24 divisors (see below), whose sum is σ = 30489072880. Its totient is φ = 4354412544.

The previous prime is 13064991557. The next prime is 13064991607. The reversal of 13064991564 is 46519946031.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 25332 + ... + 163620.

Almost surely, 213064991564 is an apocalyptic number.

It is an amenable number.

13064991564 is an abundant number, since it is smaller than the sum of its proper divisors (17424081316).

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

13064991564 is a wasteful number, since it uses less digits than its factorization.

13064991564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146169 (or 146167 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 13064991564 in words is "thirteen billion, sixty-four million, nine hundred ninety-one thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 7873 15746 23619 31492 47238 94476 138289 276578 414867 553156 829734 1659468 1088749297 2177498594 3266247891 4354997188 6532495782 13064991564