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12255014413 = 19961582987
BaseRepresentation
bin10110110100111010…
…01010111000001101
31011122001222020100201
423122131022320031
5200044240430123
65344015253501
7612455621665
oct133235127015
934561866321
1012255014413
1152196aa794
12246021a291
131203c41725
148438411a5
154bad455ad
hex2da74ae0d

12255014413 has 4 divisors (see below), whose sum is σ = 12316597600. Its totient is φ = 12193431228.

The previous prime is 12255014371. The next prime is 12255014437. The reversal of 12255014413 is 31441055221.

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: 31441055221 = 53593227457.

It is a cyclic number.

It is not a de Polignac number, because 12255014413 - 213 = 12255006221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255014113) 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, 30791295 + ... + 30791692.

It is an arithmetic number, because the mean of its divisors is an integer number (3079149400).

Almost surely, 212255014413 is an apocalyptic number.

It is an amenable number.

12255014413 is a deficient number, since it is larger than the sum of its proper divisors (61583187).

12255014413 is an equidigital number, since it uses as much as digits as its factorization.

12255014413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61583186.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12255014413 its reverse (31441055221), we get a palindrome (43696069634).

The spelling of 12255014413 in words is "twelve billion, two hundred fifty-five million, fourteen thousand, four hundred thirteen".

Divisors: 1 199 61582987 12255014413