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12444143122 = 273373228509
BaseRepresentation
bin10111001011011101…
…01000111000010010
31012010020211222011201
423211232220320102
5200441200034442
65414453101414
7620243320435
oct134556507022
935106758151
1012444143122
115306437a04
1224b362786a
1312341906c8
148609d381c
154cc7537b7
hex2e5ba8e12

12444143122 has 16 divisors (see below), whose sum is σ = 18972728280. Its totient is φ = 6120358272.

The previous prime is 12444143113. The next prime is 12444143171. The reversal of 12444143122 is 22134144421.

12444143122 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 12418650721 + 25492401 = 111439^2 + 5049^2 .

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 7 ways as a sum of consecutive naturals, for example, 59797 + ... + 168712.

Almost surely, 212444143122 is an apocalyptic number.

12444143122 is a deficient number, since it is larger than the sum of its proper divisors (6528585158).

12444143122 is a wasteful number, since it uses less digits than its factorization.

12444143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228957.

The product of its digits is 6144, while the sum is 28.

Adding to 12444143122 its reverse (22134144421), we get a palindrome (34578287543).

The spelling of 12444143122 in words is "twelve billion, four hundred forty-four million, one hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 73 146 373 746 27229 54458 228509 457018 16681157 33362314 85233857 170467714 6222071561 12444143122