Base | Representation |
---|---|
bin | 10111100100001101… |
… | …10001001010110101 |
3 | 1012122201120210011122 |
4 | 23302012301022311 |
5 | 201402324421000 |
6 | 5451231513325 |
7 | 625344325034 |
oct | 136206611265 |
9 | 35581523148 |
10 | 12651795125 |
11 | 5402676a32 |
12 | 2551088845 |
13 | 12681c6908 |
14 | 88040871b |
15 | 4e0ac0085 |
hex | 2f21b12b5 |
12651795125 has 16 divisors (see below), whose sum is σ = 15886333632. Its totient is φ = 10059325200.
The previous prime is 12651795119. The next prime is 12651795187. The reversal of 12651795125 is 52159715621.
12651795125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12651795125 - 24 = 12651795109 is a prime.
It is a Duffinian number.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 290099 + ... + 330848.
It is an arithmetic number, because the mean of its divisors is an integer number (992895852).
Almost surely, 212651795125 is an apocalyptic number.
It is an amenable number.
12651795125 is a deficient number, since it is larger than the sum of its proper divisors (3234538507).
12651795125 is an equidigital number, since it uses as much as digits as its factorization.
12651795125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621125 (or 621115 counting only the distinct ones).
The product of its digits is 189000, while the sum is 44.
The spelling of 12651795125 in words is "twelve billion, six hundred fifty-one million, seven hundred ninety-five thousand, one hundred twenty-five".
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