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12045284132 = 227430188719
BaseRepresentation
bin10110011011111010…
…00111001100100100
31011002110022211111112
423031331013030210
5144132043043012
65311124124152
7604331140310
oct131575071444
934073284445
1012045284132
115121281282
122401b36658
13119c65b57b
14823a48b40
154a7718122
hex2cdf47324

12045284132 has 12 divisors (see below), whose sum is σ = 24090568320. Its totient is φ = 5162264616.

The previous prime is 12045284131. The next prime is 12045284197. The reversal of 12045284132 is 23148254021.

12045284132 is an admirable number.

It is a super-2 number, since 2×120452841322 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12045284131) 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, 215094332 + ... + 215094387.

It is an arithmetic number, because the mean of its divisors is an integer number (2007547360).

Almost surely, 212045284132 is an apocalyptic number.

It is an amenable number.

12045284132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12045284132 is a wasteful number, since it uses less digits than its factorization.

12045284132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430188730 (or 430188728 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 12045284132 in words is "twelve billion, forty-five million, two hundred eighty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 430188719 860377438 1720754876 3011321033 6022642066 12045284132