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12231616352 = 25382238011
BaseRepresentation
bin10110110010000111…
…11010011101100000
31011120102221111020212
423121003322131200
5200022243210402
65341421553252
7612053011034
oct133103723540
934512844225
1012231616352
11520747944a
122454415828
1311cc13b717
148406b01c4
154b8c72952
hex2d90fa760

12231616352 has 12 divisors (see below), whose sum is σ = 24080994756. Its totient is φ = 6115808160.

The previous prime is 12231616349. The next prime is 12231616363. The reversal of 12231616352 is 25361613221.

It is a happy number.

12231616352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122316163522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 382238011 = 12231616352 / (1 + 2 + 2 + 3 + 1 + 6 + 1 + 6 + 3 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191118974 + ... + 191119037.

It is an arithmetic number, because the mean of its divisors is an integer number (2006749563).

Almost surely, 212231616352 is an apocalyptic number.

It is an amenable number.

12231616352 is a deficient number, since it is larger than the sum of its proper divisors (11849378404).

12231616352 is an equidigital number, since it uses as much as digits as its factorization.

12231616352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382238021 (or 382238013 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The spelling of 12231616352 in words is "twelve billion, two hundred thirty-one million, six hundred sixteen thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 382238011 764476022 1528952044 3057904088 6115808176 12231616352