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12012023792 = 242332641369
BaseRepresentation
bin10110010111111100…
…01110111111110000
31011000010202000220002
423023332032333300
5144100034230132
65303535205132
7603445342346
oct131376167760
934003660802
1012012023792
11510452429a
1223b29767a8
1311957b45b2
1481d46b996
154a4848262
hex2cbf8eff0

12012023792 has 20 divisors (see below), whose sum is σ = 24285179280. Its totient is φ = 5744880768.

The previous prime is 12012023791. The next prime is 12012023797. The reversal of 12012023792 is 29732021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012023791) 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, 16320317 + ... + 16321052.

It is an arithmetic number, because the mean of its divisors is an integer number (1214258964).

Almost surely, 212012023792 is an apocalyptic number.

It is an amenable number.

12012023792 is an abundant number, since it is smaller than the sum of its proper divisors (12273155488).

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

12012023792 is a wasteful number, since it uses less digits than its factorization.

12012023792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32641400 (or 32641394 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 12012023792 in words is "twelve billion, twelve million, twenty-three thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 32641369 65282738 130565476 261130952 522261904 750751487 1501502974 3003005948 6006011896 12012023792