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13232623231 = 27747771203
BaseRepresentation
bin11000101001011100…
…11100111001111111
31021011012111220112201
430110232130321333
5204100022420411
610025021012331
7645626304322
oct142456347177
937135456481
1013232623231
11568051a763
1226936b40a7
13132b63bc99
148d76007b9
15526aa23c1
hex314b9ce7f

13232623231 has 4 divisors (see below), whose sum is σ = 13280394712. Its totient is φ = 13184851752.

The previous prime is 13232623223. The next prime is 13232623253.

13232623231 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13232623231 - 23 = 13232623223 is a prime.

It is a super-2 number, since 2×132326232312 (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 13232623231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232623211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23885325 + ... + 23885878.

It is an arithmetic number, because the mean of its divisors is an integer number (3320098678).

Almost surely, 213232623231 is an apocalyptic number.

13232623231 is a deficient number, since it is larger than the sum of its proper divisors (47771481).

13232623231 is an equidigital number, since it uses as much as digits as its factorization.

13232623231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47771480.

The product of its digits is 7776, while the sum is 28.

The spelling of 13232623231 in words is "thirteen billion, two hundred thirty-two million, six hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 277 47771203 13232623231