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13112342297 = 23570101839
BaseRepresentation
bin11000011011000111…
…00111011100011001
31020211211012000010022
430031203213130121
5203323224423142
610005043000225
7642636033125
oct141543473431
936754160108
1013112342297
11561963692a
12265b369075
13130c747232
148c5650585
1551b2436d2
hex30d8e7719

13112342297 has 4 divisors (see below), whose sum is σ = 13682444160. Its totient is φ = 12542240436.

The previous prime is 13112342293. The next prime is 13112342351. The reversal of 13112342297 is 79224321131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79224321131 = 113701100187.

It is a cyclic number.

It is not a de Polignac number, because 13112342297 - 22 = 13112342293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112342293) 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, 285050897 + ... + 285050942.

It is an arithmetic number, because the mean of its divisors is an integer number (3420611040).

Almost surely, 213112342297 is an apocalyptic number.

It is an amenable number.

13112342297 is a deficient number, since it is larger than the sum of its proper divisors (570101863).

13112342297 is an equidigital number, since it uses as much as digits as its factorization.

13112342297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570101862.

The product of its digits is 18144, while the sum is 35.

The spelling of 13112342297 in words is "thirteen billion, one hundred twelve million, three hundred forty-two thousand, two hundred ninety-seven".

Divisors: 1 23 570101839 13112342297