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13225634231 = 4725987159
BaseRepresentation
bin11000101000100111…
…10010100110110111
31021010201100211102212
430110103302212313
5204041230243411
610024211124035
7645513015245
oct142423624667
937121324385
1013225634231
115677586827
1226912a361b
13132a062a94
148d6701795
1552617168b
hex3144f29b7

13225634231 has 6 divisors (see below), whose sum is σ = 13513020120. Its totient is φ = 12944235596.

The previous prime is 13225634221. The next prime is 13225634249. The reversal of 13225634231 is 13243652231.

It is not a de Polignac number, because 13225634231 - 210 = 13225633207 is a prime.

It is a super-2 number, since 2×132256342312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225634221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2991371 + ... + 2995788.

It is an arithmetic number, because the mean of its divisors is an integer number (2252170020).

Almost surely, 213225634231 is an apocalyptic number.

13225634231 is a deficient number, since it is larger than the sum of its proper divisors (287385889).

13225634231 is an frugal number, since it uses more digits than its factorization.

13225634231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987253 (or 5987206 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The spelling of 13225634231 in words is "thirteen billion, two hundred twenty-five million, six hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 47 2209 5987159 281396473 13225634231