Base | Representation |
---|---|
bin | 11001010001100001… |
… | …00001001000101001 |
3 | 1022000121220211202202 |
4 | 30220300201020221 |
5 | 210242042143121 |
6 | 10122224305545 |
7 | 660150060560 |
oct | 145060411051 |
9 | 38017824682 |
10 | 13568709161 |
11 | 5833201027 |
12 | 27681722b5 |
13 | 1383162bb7 |
14 | 92a0c8bd7 |
15 | 54633d40b |
hex | 328c21229 |
13568709161 has 8 divisors (see below), whose sum is σ = 15539473920. Its totient is φ = 11606038848.
The previous prime is 13568709157. The next prime is 13568709163. The reversal of 13568709161 is 16190786531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13568709161 - 22 = 13568709157 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13568709163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020016 + ... + 2026721.
It is an arithmetic number, because the mean of its divisors is an integer number (1942434240).
Almost surely, 213568709161 is an apocalyptic number.
It is an amenable number.
13568709161 is a deficient number, since it is larger than the sum of its proper divisors (1970764759).
13568709161 is an equidigital number, since it uses as much as digits as its factorization.
13568709161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4047223.
The product of its (nonzero) digits is 272160, while the sum is 47.
The spelling of 13568709161 in words is "thirteen billion, five hundred sixty-eight million, seven hundred nine thousand, one hundred sixty-one".
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