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12255613325 = 52490224533
BaseRepresentation
bin10110110100111110…
…11101000110001101
31011122010002122220122
423122133131012031
5200044414111300
65344040154325
7612463665044
oct133237350615
934563078818
1012255613325
115219a7975a
1224604689a5
1312040c1207
1484395955b
154bae12c85
hex2da7dd18d

12255613325 has 6 divisors (see below), whose sum is σ = 15196960554. Its totient is φ = 9804490640.

The previous prime is 12255613303. The next prime is 12255613379. The reversal of 12255613325 is 52331655221.

It can be written as a sum of positive squares in 3 ways, for example, as 516107524 + 11739505801 = 22718^2 + 108349^2 .

It is not a de Polignac number, because 12255613325 - 212 = 12255609229 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 5 ways as a sum of consecutive naturals, for example, 245112242 + ... + 245112291.

It is an arithmetic number, because the mean of its divisors is an integer number (2532826759).

Almost surely, 212255613325 is an apocalyptic number.

It is an amenable number.

12255613325 is a deficient number, since it is larger than the sum of its proper divisors (2941347229).

12255613325 is an equidigital number, since it uses as much as digits as its factorization.

12255613325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490224543 (or 490224538 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The spelling of 12255613325 in words is "twelve billion, two hundred fifty-five million, six hundred thirteen thousand, three hundred twenty-five".

Divisors: 1 5 25 490224533 2451122665 12255613325