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12246590513 = 21839560767
BaseRepresentation
bin10110110011111010…
…00010010000110001
31011121111010020221102
423121331002100301
5200040111344023
65343114534145
7612324205343
oct133175022061
934544106842
1012246590513
115214976793
122459437355
131202282381
1484268b293
154ba22e628
hex2d9f42431

12246590513 has 4 divisors (see below), whose sum is σ = 12247173120. Its totient is φ = 12246007908.

The previous prime is 12246590483. The next prime is 12246590539. The reversal of 12246590513 is 31509564221.

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.

It is a cyclic number.

It is not a de Polignac number, because 12246590513 - 220 = 12245541937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12246590563) 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, 258545 + ... + 302222.

It is an arithmetic number, because the mean of its divisors is an integer number (3061793280).

Almost surely, 212246590513 is an apocalyptic number.

It is an amenable number.

12246590513 is a deficient number, since it is larger than the sum of its proper divisors (582607).

12246590513 is an equidigital number, since it uses as much as digits as its factorization.

12246590513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582606.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 12246590513 in words is "twelve billion, two hundred forty-six million, five hundred ninety thousand, five hundred thirteen".

Divisors: 1 21839 560767 12246590513