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13199304689 = 73579131223
BaseRepresentation
bin11000100101011110…
…10110011111110001
31021001212211011002122
430102233112133301
5204013010222224
610021430524025
7645043144604
oct142257263761
937055734078
1013199304689
115663732a7a
122684506615
13132477467c
148d300a33b
15523bc015e
hex312bd67f1

13199304689 has 8 divisors (see below), whose sum is σ = 13382856192. Its totient is φ = 13015827360.

The previous prime is 13199304647. The next prime is 13199304749. The reversal of 13199304689 is 98640399131.

It is a happy number.

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 13199304689 - 212 = 13199300593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13199304689.

It is not an unprimeable number, because it can be changed into a prime (13199304089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407132 + ... + 438354.

It is an arithmetic number, because the mean of its divisors is an integer number (1672857024).

Almost surely, 213199304689 is an apocalyptic number.

It is an amenable number.

13199304689 is a deficient number, since it is larger than the sum of its proper divisors (183551503).

13199304689 is an equidigital number, since it uses as much as digits as its factorization.

13199304689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37087.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 13199304689 in words is "thirteen billion, one hundred ninety-nine million, three hundred four thousand, six hundred eighty-nine".

Divisors: 1 73 5791 31223 422743 2279279 180812393 13199304689