Search a number
-
+
12045958839 = 322991950221
BaseRepresentation
bin10110011011111111…
…01011111010110111
31011002111121010000200
423031333223322313
5144132231140324
65311150411543
7604336650345
oct131577537267
934074533020
1012045958839
1151216a2192
122402200bb3
13119c8366c5
14823b82995
154a77ecec9
hex2cdfebeb7

12045958839 has 24 divisors (see below), whose sum is σ = 18019653600. Its totient is φ = 7745129280.

The previous prime is 12045958831. The next prime is 12045958849. The reversal of 12045958839 is 93885954021.

12045958839 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 59 + 588 + 3 + 9 = 666.

It is not a de Polignac number, because 12045958839 - 23 = 12045958831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045958831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214749 + ... + 264969.

It is an arithmetic number, because the mean of its divisors is an integer number (750818900).

Almost surely, 212045958839 is an apocalyptic number.

12045958839 is a deficient number, since it is larger than the sum of its proper divisors (5973694761).

12045958839 is a wasteful number, since it uses less digits than its factorization.

12045958839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51175 (or 51172 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 12045958839 in words is "twelve billion, forty-five million, nine hundred fifty-eight thousand, eight hundred thirty-nine".

Divisors: 1 3 9 29 87 261 919 2757 8271 26651 50221 79953 150663 239859 451989 1456409 4369227 13107681 46153099 138459297 415377891 1338439871 4015319613 12045958839