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12040305164 = 2226311445157
BaseRepresentation
bin10110011011010100…
…00111101000001100
31011002002221212122022
423031222013220030
5144124304231124
65310425305312
7604240622336
oct131552075014
934062855568
1012040305164
115119490528
122400335238
13119b607234
14823110456
154a7082c5e
hex2cda87a0c

12040305164 has 12 divisors (see below), whose sum is σ = 21150651984. Its totient is φ = 5997261744.

The previous prime is 12040305113. The next prime is 12040305203. The reversal of 12040305164 is 46150304021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721527 + ... + 5723630.

It is an arithmetic number, because the mean of its divisors is an integer number (1762554332).

Almost surely, 212040305164 is an apocalyptic number.

It is an amenable number.

12040305164 is a deficient number, since it is larger than the sum of its proper divisors (9110346820).

12040305164 is a wasteful number, since it uses less digits than its factorization.

12040305164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445424 (or 11445422 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 12040305164 its reverse (46150304021), we get a palindrome (58190609185).

The spelling of 12040305164 in words is "twelve billion, forty million, three hundred five thousand, one hundred sixty-four".

Divisors: 1 2 4 263 526 1052 11445157 22890314 45780628 3010076291 6020152582 12040305164