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12557425255 = 512413202327
BaseRepresentation
bin10111011000111101…
…10001101001100111
31012102011000022001021
423230132301221213
5201204200102010
65434021112011
7623120232154
oct135436615147
935364008037
1012557425255
115364380501
122525558607
1312517a495b
14871a8122b
154d767d8da
hex2ec7b1a67

12557425255 has 8 divisors (see below), whose sum is σ = 15070198752. Its totient is φ = 10045081248.

The previous prime is 12557425217. The next prime is 12557425273. The reversal of 12557425255 is 55252475521.

It is a happy number.

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 12557425255 - 213 = 12557417063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39099 + ... + 163228.

It is an arithmetic number, because the mean of its divisors is an integer number (1883774844).

Almost surely, 212557425255 is an apocalyptic number.

12557425255 is a deficient number, since it is larger than the sum of its proper divisors (2512773497).

12557425255 is a wasteful number, since it uses less digits than its factorization.

12557425255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214745.

The product of its digits is 700000, while the sum is 43.

The spelling of 12557425255 in words is "twelve billion, five hundred fifty-seven million, four hundred twenty-five thousand, two hundred fifty-five".

Divisors: 1 5 12413 62065 202327 1011635 2511485051 12557425255