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12179055880 = 2351013300569
BaseRepresentation
bin10110101011110110…
…11010010100001000
31011102210001010211201
423111323122110020
5144420314242010
65332303233544
7610544160355
oct132573322410
934383033751
1012179055880
11518a839a42
12243a8a88b4
1311c1297a54
1483770b62c
154b433e23a
hex2d5eda508

12179055880 has 32 divisors (see below), whose sum is σ = 27430018200. Its totient is φ = 4866797056.

The previous prime is 12179055877. The next prime is 12179055893. The reversal of 12179055880 is 8855097121.

12179055880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6015863844 + 6163192036 = 77562^2 + 78506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12179055880.

It is an unprimeable number.

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, 109765 + ... + 190804.

Almost surely, 212179055880 is an apocalyptic number.

12179055880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12179055880 is an abundant number, since it is smaller than the sum of its proper divisors (15250962320).

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

12179055880 is a wasteful number, since it uses less digits than its factorization.

12179055880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301593 (or 301589 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 12179055880 in words is "twelve billion, one hundred seventy-nine million, fifty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1013 2026 4052 5065 8104 10130 20260 40520 300569 601138 1202276 1502845 2404552 3005690 6011380 12022760 304476397 608952794 1217905588 1522381985 2435811176 3044763970 6089527940 12179055880