Base | Representation |
---|---|
bin | 11000100000010101… |
… | …11100011001010001 |
3 | 1020221212201112000212 |
4 | 30100022330121101 |
5 | 203420442044121 |
6 | 10013251053505 |
7 | 644010623120 |
oct | 142012743121 |
9 | 36855645025 |
10 | 13156206161 |
11 | 564137645a |
12 | 2671ba1295 |
13 | 1318864697 |
14 | 8cb3cbab7 |
15 | 52000a25b |
hex | 3102bc651 |
13156206161 has 8 divisors (see below), whose sum is σ = 15036954240. Its totient is φ = 11275780608.
The previous prime is 13156206131. The next prime is 13156206187. The reversal of 13156206161 is 16160265131.
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 13156206161 - 26 = 13156206097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13156206101) 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, 14225 + ... + 162833.
It is an arithmetic number, because the mean of its divisors is an integer number (1879619280).
Almost surely, 213156206161 is an apocalyptic number.
It is an amenable number.
13156206161 is a deficient number, since it is larger than the sum of its proper divisors (1880748079).
13156206161 is a wasteful number, since it uses less digits than its factorization.
13156206161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161263.
The product of its (nonzero) digits is 6480, while the sum is 32.
The spelling of 13156206161 in words is "thirteen billion, one hundred fifty-six million, two hundred six thousand, one hundred sixty-one".
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