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13291054079 = 46732844223
BaseRepresentation
bin11000110000011010…
…10110001111111111
31021022021110111121012
430120031112033333
5204210002212304
610034505225435
7650236044542
oct143015261777
937267414535
1013291054079
1157004a9716
1226ab19227b
13133a789954
14901290859
1552bc9516e
hex3183563ff

13291054079 has 4 divisors (see below), whose sum is σ = 13293902976. Its totient is φ = 13288205184.

The previous prime is 13291054069. The next prime is 13291054081. The reversal of 13291054079 is 97045019231.

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 13291054079 - 28 = 13291053823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291054069) 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, 1417439 + ... + 1426784.

It is an arithmetic number, because the mean of its divisors is an integer number (3323475744).

Almost surely, 213291054079 is an apocalyptic number.

13291054079 is a deficient number, since it is larger than the sum of its proper divisors (2848897).

13291054079 is an equidigital number, since it uses as much as digits as its factorization.

13291054079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848896.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 13291054079 in words is "thirteen billion, two hundred ninety-one million, fifty-four thousand, seventy-nine".

Divisors: 1 4673 2844223 13291054079