Base | Representation |
---|---|
bin | 11001111000010110… |
… | …00100110110110101 |
3 | 1022212022211121011212 |
4 | 30330023010312311 |
5 | 211423434011300 |
6 | 10214422011205 |
7 | 1001213530355 |
oct | 147413046665 |
9 | 38768747155 |
10 | 13894438325 |
11 | 5990059189 |
12 | 2839276b05 |
13 | 140579ba51 |
14 | 95b478b65 |
15 | 564c30935 |
hex | 33c2c4db5 |
13894438325 has 12 divisors (see below), whose sum is σ = 17254724868. Its totient is φ = 11099020800.
The previous prime is 13894438319. The next prime is 13894438343. The reversal of 13894438325 is 52383449831.
It can be written as a sum of positive squares in 6 ways, for example, as 1256631601 + 12637806724 = 35449^2 + 112418^2 .
It is not a de Polignac number, because 13894438325 - 214 = 13894421941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396086 + ... + 429735.
It is an arithmetic number, because the mean of its divisors is an integer number (1437893739).
Almost surely, 213894438325 is an apocalyptic number.
It is an amenable number.
13894438325 is a deficient number, since it is larger than the sum of its proper divisors (3360286543).
13894438325 is an equidigital number, since it uses as much as digits as its factorization.
13894438325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 826504 (or 826499 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 50.
The spelling of 13894438325 in words is "thirteen billion, eight hundred ninety-four million, four hundred thirty-eight thousand, three hundred twenty-five".
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