Base | Representation |
---|---|
bin | 10111101111101000… |
… | …01000001110011101 |
3 | 1012220101210202111221 |
4 | 23313310020032131 |
5 | 202101334302000 |
6 | 5504532413341 |
7 | 630616401211 |
oct | 136764101635 |
9 | 35811722457 |
10 | 12747572125 |
11 | 5451743682 |
12 | 2579177251 |
13 | 1281cbc1b2 |
14 | 88d01a941 |
15 | 4e91dd61a |
hex | 2f7d0839d |
12747572125 has 8 divisors (see below), whose sum is σ = 15908970168. Its totient is φ = 10198057600.
The previous prime is 12747572119. The next prime is 12747572147. The reversal of 12747572125 is 52127574721.
It can be written as a sum of positive squares in 4 ways, for example, as 2495402116 + 10252170009 = 49954^2 + 101253^2 .
It is not a de Polignac number, because 12747572125 - 27 = 12747571997 is a prime.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
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 (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50990164 + ... + 50990413.
It is an arithmetic number, because the mean of its divisors is an integer number (1988621271).
Almost surely, 212747572125 is an apocalyptic number.
It is an amenable number.
12747572125 is a deficient number, since it is larger than the sum of its proper divisors (3161398043).
12747572125 is an equidigital number, since it uses as much as digits as its factorization.
12747572125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101980592 (or 101980582 counting only the distinct ones).
The product of its digits is 274400, while the sum is 43.
The spelling of 12747572125 in words is "twelve billion, seven hundred forty-seven million, five hundred seventy-two thousand, one hundred twenty-five".
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