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13234115251 = 78287228139
BaseRepresentation
bin11000101001101000…
…01001001010110011
31021011022022201012201
430110310021022303
5204100413142001
610025113004031
7645645060250
oct142464111263
937138281181
1013234115251
115681349735
1226940b3617
13132ba42136
148d78ac427
15526c99501
hex314d092b3

13234115251 has 8 divisors (see below), whose sum is σ = 15126594560. Its totient is φ = 11342108808.

The previous prime is 13234115231. The next prime is 13234115263. The reversal of 13234115251 is 15251143231.

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 13234115251 - 27 = 13234115123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13234115221) 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, 56061 + ... + 172078.

It is an arithmetic number, because the mean of its divisors is an integer number (1890824320).

Almost surely, 213234115251 is an apocalyptic number.

13234115251 is a deficient number, since it is larger than the sum of its proper divisors (1892479309).

13234115251 is an equidigital number, since it uses as much as digits as its factorization.

13234115251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236433.

The product of its digits is 3600, while the sum is 28.

Adding to 13234115251 its reverse (15251143231), we get a palindrome (28485258482).

The spelling of 13234115251 in words is "thirteen billion, two hundred thirty-four million, one hundred fifteen thousand, two hundred fifty-one".

Divisors: 1 7 8287 58009 228139 1596973 1890587893 13234115251