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13252531793 = 79295756731
BaseRepresentation
bin11000101011110100…
…11001011001010001
31021012120222100221212
430111322121121101
5204120122004133
610031011425505
7646260442634
oct142572313121
937176870855
1013252531793
115690788316
12269a2b5295
1313327bc8b7
148da103c1b
155286d6148
hex315e99651

13252531793 has 8 divisors (see below), whose sum is σ = 13425060480. Its totient is φ = 13080122640.

The previous prime is 13252531769. The next prime is 13252531801. The reversal of 13252531793 is 39713525231.

13252531793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13252531793 - 210 = 13252530769 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 13252531793.

It is not an unprimeable number, because it can be changed into a prime (13252531703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205238 + ... + 261968.

It is an arithmetic number, because the mean of its divisors is an integer number (1678132560).

Almost surely, 213252531793 is an apocalyptic number.

It is an amenable number.

13252531793 is a deficient number, since it is larger than the sum of its proper divisors (172528687).

13252531793 is an equidigital number, since it uses as much as digits as its factorization.

13252531793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59767.

The product of its digits is 170100, while the sum is 41.

The spelling of 13252531793 in words is "thirteen billion, two hundred fifty-two million, five hundred thirty-one thousand, seven hundred ninety-three".

Divisors: 1 79 2957 56731 233603 4481749 167753567 13252531793