Base | Representation |
---|---|
bin | 11001110110100010… |
… | …01001011010100001 |
3 | 1022211021021002100010 |
4 | 30323101021122201 |
5 | 211411042041031 |
6 | 10213120315133 |
7 | 1000640462262 |
oct | 147321113241 |
9 | 38737232303 |
10 | 13879252641 |
11 | 5982526a31 |
12 | 2834172aa9 |
13 | 14025b2a37 |
14 | 959444969 |
15 | 563731246 |
hex | 33b4496a1 |
13879252641 has 16 divisors (see below), whose sum is σ = 19318219776. Its totient is φ = 8846891856.
The previous prime is 13879252619. The next prime is 13879252649. The reversal of 13879252641 is 14625297831.
It is not a de Polignac number, because 13879252641 - 218 = 13878990497 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13879252649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132526 + ... + 212888.
It is an arithmetic number, because the mean of its divisors is an integer number (1207388736).
Almost surely, 213879252641 is an apocalyptic number.
It is an amenable number.
13879252641 is a deficient number, since it is larger than the sum of its proper divisors (5438967135).
13879252641 is a wasteful number, since it uses less digits than its factorization.
13879252641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82892.
The product of its digits is 725760, while the sum is 48.
The spelling of 13879252641 in words is "thirteen billion, eight hundred seventy-nine million, two hundred fifty-two thousand, six hundred forty-one".
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