Base | Representation |
---|---|
bin | 10111100001000010… |
… | …01000100010101001 |
3 | 1012120212110011220111 |
4 | 23300201020202221 |
5 | 201324014332134 |
6 | 5444440454321 |
7 | 624602010550 |
oct | 136041104251 |
9 | 35525404814 |
10 | 12625152169 |
11 | 5399629763 |
12 | 254417a3a1 |
13 | 1262828956 |
14 | 87aa70d97 |
15 | 4dd5aac64 |
hex | 2f08488a9 |
12625152169 has 24 divisors (see below), whose sum is σ = 14769159360. Its totient is φ = 10569769056.
The previous prime is 12625152151. The next prime is 12625152191. The reversal of 12625152169 is 96125152621.
It is not a de Polignac number, because 12625152169 - 29 = 12625151657 is a prime.
It is a super-2 number, since 2×126251521692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12625152109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7563667 + ... + 7565335.
It is an arithmetic number, because the mean of its divisors is an integer number (615381640).
Almost surely, 212625152169 is an apocalyptic number.
It is an amenable number.
12625152169 is a deficient number, since it is larger than the sum of its proper divisors (2144007191).
12625152169 is an equidigital number, since it uses as much as digits as its factorization.
12625152169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1997 (or 1870 counting only the distinct ones).
The product of its digits is 64800, while the sum is 40.
The spelling of 12625152169 in words is "twelve billion, six hundred twenty-five million, one hundred fifty-two thousand, one hundred sixty-nine".
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