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12318743524 = 2217181157993
BaseRepresentation
bin10110111100100000…
…10001101111100100
31011210111220000021011
423132100101233210
5200212044243044
65354213232004
7614161410103
oct133620215744
934714800234
1012318743524
11525167837a
122479632604
1312141c5b69
1484c0b003a
154c1733134
hex2de411be4

12318743524 has 12 divisors (see below), whose sum is σ = 22825907244. Its totient is φ = 5797055744.

The previous prime is 12318743491. The next prime is 12318743531. The reversal of 12318743524 is 42534781321.

12318743524 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 2 ways, for example, as 8143257600 + 4175485924 = 90240^2 + 64618^2 .

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 3 ways as a sum of consecutive naturals, for example, 90578929 + ... + 90579064.

It is an arithmetic number, because the mean of its divisors is an integer number (1902158937).

Almost surely, 212318743524 is an apocalyptic number.

It is an amenable number.

12318743524 is a deficient number, since it is larger than the sum of its proper divisors (10507163720).

12318743524 is a wasteful number, since it uses less digits than its factorization.

12318743524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181158014 (or 181158012 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The spelling of 12318743524 in words is "twelve billion, three hundred eighteen million, seven hundred forty-three thousand, five hundred twenty-four".

Divisors: 1 2 4 17 34 68 181157993 362315986 724631972 3079685881 6159371762 12318743524