Base | Representation |
---|---|
bin | 1011111110000101010010… |
… | …1100100010100110101001 |
3 | 1201121012100201011110102212 |
4 | 2333201110230202212221 |
5 | 3211113114343212121 |
6 | 43554101104134505 |
7 | 2525602552415342 |
oct | 277412454424651 |
9 | 51535321143385 |
10 | 13161200757161 |
11 | 42146a7796546 |
12 | 158688b607435 |
13 | 746132923022 |
14 | 3370111c50c9 |
15 | 17c54675e25b |
hex | bf854b229a9 |
13161200757161 has 6 divisors (see below), whose sum is σ = 13980929524350. Its totient is φ = 12387012477056.
The previous prime is 13161200757151. The next prime is 13161200757191. The reversal of 13161200757161 is 16175700216131.
13161200757161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 6289562410000 + 6871638347161 = 2507900^2 + 2621381^2 .
It is not a de Polignac number, because 13161200757161 - 238 = 12886322850217 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 (13161200757151) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22770243236 + ... + 22770243813.
It is an arithmetic number, because the mean of its divisors is an integer number (2330154920725).
Almost surely, 213161200757161 is an apocalyptic number.
It is an amenable number.
13161200757161 is a deficient number, since it is larger than the sum of its proper divisors (819728767189).
13161200757161 is an equidigital number, since it uses as much as digits as its factorization.
13161200757161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45540487083 (or 45540487066 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 41.
The spelling of 13161200757161 in words is "thirteen trillion, one hundred sixty-one billion, two hundred million, seven hundred fifty-seven thousand, one hundred sixty-one".
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