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12628818159 = 34209606053
BaseRepresentation
bin10111100001011110…
…00111100011101111
31012121010100102200220
423300233013203233
5201330434140114
65445051222423
7624645116556
oct136057074357
935533312626
1012628818159
1153a0703001
122545447a13
131263510489
1487b346d9d
154dda820a9
hex2f0bc78ef

12628818159 has 4 divisors (see below), whose sum is σ = 16838424216. Its totient is φ = 8419212104.

The previous prime is 12628818143. The next prime is 12628818187. The reversal of 12628818159 is 95181882621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12628818159 - 24 = 12628818143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628818109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2104803024 + ... + 2104803029.

It is an arithmetic number, because the mean of its divisors is an integer number (4209606054).

Almost surely, 212628818159 is an apocalyptic number.

12628818159 is a deficient number, since it is larger than the sum of its proper divisors (4209606057).

12628818159 is an equidigital number, since it uses as much as digits as its factorization.

12628818159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209606056.

The product of its digits is 552960, while the sum is 51.

The spelling of 12628818159 in words is "twelve billion, six hundred twenty-eight million, eight hundred eighteen thousand, one hundred fifty-nine".

Divisors: 1 3 4209606053 12628818159