Base | Representation |
---|---|
bin | 10111101110100101… |
… | …10000111100101001 |
3 | 1012212210100102010022 |
4 | 23313102300330221 |
5 | 202042114413100 |
6 | 5504021130225 |
7 | 630452143322 |
oct | 136722607451 |
9 | 35783312108 |
10 | 12738826025 |
11 | 544780a5a2 |
12 | 2576259975 |
13 | 12802492a3 |
14 | 88bbc1449 |
15 | 4e8561e85 |
hex | 2f74b0f29 |
12738826025 has 12 divisors (see below), whose sum is σ = 15797686800. Its totient is φ = 10190065680.
The previous prime is 12738826021. The next prime is 12738826033. The reversal of 12738826025 is 52062883721.
It is not a de Polignac number, because 12738826025 - 22 = 12738826021 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12738826021) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 342806 + ... + 378144.
It is an arithmetic number, because the mean of its divisors is an integer number (1316473900).
Almost surely, 212738826025 is an apocalyptic number.
It is an amenable number.
12738826025 is a deficient number, since it is larger than the sum of its proper divisors (3058860775).
12738826025 is a wasteful number, since it uses less digits than its factorization.
12738826025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49768 (or 49763 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 12738826025 in words is "twelve billion, seven hundred thirty-eight million, eight hundred twenty-six thousand, twenty-five".
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