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13255251213 = 338311536337
BaseRepresentation
bin11000101100001001…
…10001010100001101
31021012210002112022010
430112010301110031
5204121321014323
610031150011433
7646322530161
oct142604612415
937183075263
1013255251213
115692275476
12269b1a6b79
131333232619
148da610ca1
15528a71c93
hex31613150d

13255251213 has 8 divisors (see below), whose sum is σ = 17719815168. Its totient is φ = 8813760704.

The previous prime is 13255251167. The next prime is 13255251227. The reversal of 13255251213 is 31215255231.

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 13255251213 - 210 = 13255250189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255251313) 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, 5767020 + ... + 5769317.

It is an arithmetic number, because the mean of its divisors is an integer number (2214976896).

Almost surely, 213255251213 is an apocalyptic number.

It is an amenable number.

13255251213 is a deficient number, since it is larger than the sum of its proper divisors (4464563955).

13255251213 is a wasteful number, since it uses less digits than its factorization.

13255251213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536723.

The product of its digits is 9000, while the sum is 30.

The spelling of 13255251213 in words is "thirteen billion, two hundred fifty-five million, two hundred fifty-one thousand, two hundred thirteen".

Divisors: 1 3 383 1149 11536337 34609011 4418417071 13255251213