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13232423231 = 61263382387
BaseRepresentation
bin11000101001011011…
…01100000100111111
31021011012010202012022
430110231230010333
5204100000020411
610025012430355
7645624512246
oct142455540477
937135122168
1013232423231
1156803a3475
1226936183bb
13132b59bc41
148d758b95d
15526a62edb
hex314b6c13f

13232423231 has 8 divisors (see below), whose sum is σ = 13454619504. Its totient is φ = 13010397120.

The previous prime is 13232423219. The next prime is 13232423261.

It is a happy number.

13232423231 is nontrivially palindromic in base 10.

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 13232423231 - 218 = 13232161087 is a prime.

It is a super-2 number, since 2×132324232312 (a number of 21 digits) contains 22 as substring.

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 13232423231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232423261) 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, 119420 + ... + 201806.

It is an arithmetic number, because the mean of its divisors is an integer number (1681827438).

Almost surely, 213232423231 is an apocalyptic number.

13232423231 is a deficient number, since it is larger than the sum of its proper divisors (222196273).

13232423231 is an equidigital number, since it uses as much as digits as its factorization.

13232423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85081.

The product of its digits is 5184, while the sum is 26.

The spelling of 13232423231 in words is "thirteen billion, two hundred thirty-two million, four hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 61 2633 82387 160613 5025607 216924971 13232423231