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12045152466 = 23474352793
BaseRepresentation
bin10110011011111001…
…00111000011010010
31011002110002010220000
423031330213003102
5144132024334331
65311121230430
7604330051404
oct131574470322
934073063800
1012045152466
1151211a1366
122401a92416
13119c613669
14823a12b74
154a76de0e6
hex2cdf270d2

12045152466 has 20 divisors (see below), whose sum is σ = 26990064222. Its totient is φ = 4015050768.

The previous prime is 12045152461. The next prime is 12045152479. The reversal of 12045152466 is 66425154021.

12045152466 is a `hidden beast` number, since 1 + 2 + 0 + 45 + 152 + 466 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12026412225 + 18740241 = 109665^2 + 4329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12045152466.

It is not an unprimeable number, because it can be changed into a prime (12045152461) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37176235 + ... + 37176558.

Almost surely, 212045152466 is an apocalyptic number.

12045152466 is an abundant number, since it is smaller than the sum of its proper divisors (14944911756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12045152466 is an equidigital number, since it uses as much as digits as its factorization.

12045152466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74352807 (or 74352798 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 12045152466 in words is "twelve billion, forty-five million, one hundred fifty-two thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 74352793 148705586 223058379 446116758 669175137 1338350274 2007525411 4015050822 6022576233 12045152466