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13513100961671 = 17794888291863
BaseRepresentation
bin1100010010100100001110…
…0101010010011110000111
31202211211200020111001100122
43010221003211102132013
53232344312321233141
644423455522532155
72563201144664423
oct304510345223607
952754606431318
1013513100961671
11433a968230643
121622b1a20705b
137703840972cc
1434a075175b83
1518679051164b
hexc4a43952787

13513100961671 has 4 divisors (see below), whose sum is σ = 14307989253552. Its totient is φ = 12718212669792.

The previous prime is 13513100961667. The next prime is 13513100961683. The reversal of 13513100961671 is 17616900131531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13513100961671 - 22 = 13513100961667 is a prime.

It is a super-2 number, since 2×135131009616712 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513100961631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397444145915 + ... + 397444145948.

It is an arithmetic number, because the mean of its divisors is an integer number (3576997313388).

Almost surely, 213513100961671 is an apocalyptic number.

13513100961671 is a deficient number, since it is larger than the sum of its proper divisors (794888291881).

13513100961671 is an equidigital number, since it uses as much as digits as its factorization.

13513100961671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794888291880.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 13513100961671 in words is "thirteen trillion, five hundred thirteen billion, one hundred million, nine hundred sixty-one thousand, six hundred seventy-one".

Divisors: 1 17 794888291863 13513100961671