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12031525000 = 23551167653
BaseRepresentation
bin10110011010010001…
…01000000010001000
31011001111102210112001
423031020220002020
5144120032300000
65305513200344
7604103163235
oct131510500210
934044383461
1012031525000
1151145338a0
1223b94000b4
131199851981
14821ca678c
154a63eb46a
hex2cd228088

12031525000 has 192 divisors, whose sum is σ = 31267373760. Its totient is φ = 4303200000.

The previous prime is 12031524997. The next prime is 12031525043. The reversal of 12031525000 is 52513021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18424674 + ... + 18425326.

It is an arithmetic number, because the mean of its divisors is an integer number (162850905).

Almost surely, 212031525000 is an apocalyptic number.

12031525000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15633686880).

12031525000 is an abundant number, since it is smaller than the sum of its proper divisors (19235848760).

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

12031525000 is an equidigital number, since it uses as much as digits as its factorization.

12031525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The spelling of 12031525000 in words is "twelve billion, thirty-one million, five hundred twenty-five thousand".