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12500970180 = 2235208349503
BaseRepresentation
bin10111010010001110…
…11010101011000100
31012021012210002020120
423221013122223010
5201100222021210
65424243101540
7621533331126
oct135107325304
935235702216
1012500970180
115335520a16
12250a6718b0
131242b9939a
14868387216
154d272b270
hex2e91daac4

12500970180 has 24 divisors (see below), whose sum is σ = 35002716672. Its totient is φ = 3333592032.

The previous prime is 12500970113. The next prime is 12500970187. The reversal of 12500970180 is 8107900521.

12500970180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12500970187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104174692 + ... + 104174811.

It is an arithmetic number, because the mean of its divisors is an integer number (1458446528).

Almost surely, 212500970180 is an apocalyptic number.

12500970180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500970180 is an abundant number, since it is smaller than the sum of its proper divisors (22501746492).

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

12500970180 is a wasteful number, since it uses less digits than its factorization.

12500970180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208349515 (or 208349513 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 12500970180 in words is "twelve billion, five hundred million, nine hundred seventy thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 208349503 416699006 625048509 833398012 1041747515 1250097018 2083495030 2500194036 3125242545 4166990060 6250485090 12500970180