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12722996162 = 247216972
BaseRepresentation
bin10111101100101100…
…11000001111000010
31012211200120011122002
423312112120033002
5202024041334122
65502253544002
7630200453162
oct136626301702
935750504562
1012722996162
115439888368
122570aa5002
131279b95cc6
14889a605a2
154e6e86992
hex2f65983c2

12722996162 has 18 divisors (see below), whose sum is σ = 19510683897. Its totient is φ = 6222478144.

The previous prime is 12722996141. The next prime is 12722996207. The reversal of 12722996162 is 26169922721.

It is a happy number.

12722996162 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 8774256241 + 3948739921 = 93671^2 + 62839^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=79759.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 7496498 + ... + 7498194.

Almost surely, 212722996162 is an apocalyptic number.

12722996162 is a deficient number, since it is larger than the sum of its proper divisors (6787687735).

12722996162 is an frugal number, since it uses more digits than its factorization.

12722996162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 1746 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The spelling of 12722996162 in words is "twelve billion, seven hundred twenty-two million, nine hundred ninety-six thousand, one hundred sixty-two".

Divisors: 1 2 47 94 1697 2209 3394 4418 79759 159518 2879809 3748673 5759618 7497346 135351023 270702046 6361498081 12722996162