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12031525060 = 225971619543
BaseRepresentation
bin10110011010010001…
…01000000011000100
31011001111102210121021
423031020220003010
5144120032300220
65305513200524
7604103163352
oct131510500304
934044383537
1012031525060
115114533945
1223b9400144
1311998519c9
14821ca67d2
154a63eb4aa
hex2cd2280c4

12031525060 has 24 divisors (see below), whose sum is σ = 25292264256. Its totient is φ = 4807645920.

The previous prime is 12031525043. The next prime is 12031525063. The reversal of 12031525060 is 6052513021.

It is not an unprimeable number, because it can be changed into a prime (12031525063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290352 + ... + 329191.

It is an arithmetic number, because the mean of its divisors is an integer number (1053844344).

Almost surely, 212031525060 is an apocalyptic number.

12031525060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031525060 is an abundant number, since it is smaller than the sum of its proper divisors (13260739196).

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

12031525060 is a wasteful number, since it uses less digits than its factorization.

12031525060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620523 (or 620521 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12031525060 in words is "twelve billion, thirty-one million, five hundred twenty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 971 1942 3884 4855 9710 19420 619543 1239086 2478172 3097715 6195430 12390860 601576253 1203152506 2406305012 3007881265 6015762530 12031525060