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13121310095 = 519713321127
BaseRepresentation
bin11000011100001011…
…10100110110001111
31020212110001121121222
430032011310312033
5203333023410340
610010003113555
7643105203245
oct141605646617
936773047558
1013121310095
115623701533
1226623728bb
13131156701a
148c6906795
1551be158b5
hex30e174d8f

13121310095 has 8 divisors (see below), whose sum is σ = 15825500064. Its totient is φ = 10443762784.

The previous prime is 13121310053. The next prime is 13121310143. The reversal of 13121310095 is 59001312131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13121310095 - 26 = 13121310031 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6659579 + ... + 6661548.

It is an arithmetic number, because the mean of its divisors is an integer number (1978187508).

Almost surely, 213121310095 is an apocalyptic number.

13121310095 is a deficient number, since it is larger than the sum of its proper divisors (2704189969).

13121310095 is a wasteful number, since it uses less digits than its factorization.

13121310095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321329.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 13121310095 in words is "thirteen billion, one hundred twenty-one million, three hundred ten thousand, ninety-five".

Divisors: 1 5 197 985 13321127 66605635 2624262019 13121310095