Base | Representation |
---|---|
bin | 10100000100011… |
… | …11100011100001 |
3 | 102201210120201112 |
4 | 22002033203201 |
5 | 321100011121 |
6 | 24412313105 |
7 | 4113015644 |
oct | 1202174341 |
9 | 381716645 |
10 | 168360161 |
11 | 87042532 |
12 | 48472795 |
13 | 28b59ac8 |
14 | 18507a5b |
15 | eba975b |
hex | a08f8e1 |
168360161 has 8 divisors (see below), whose sum is σ = 176252544. Its totient is φ = 160515520.
The previous prime is 168360151. The next prime is 168360187. The reversal of 168360161 is 161063861.
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 168360161 - 26 = 168360097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168360131) 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, 4616 + ... + 18921.
It is an arithmetic number, because the mean of its divisors is an integer number (22031568).
Almost surely, 2168360161 is an apocalyptic number.
It is an amenable number.
168360161 is a deficient number, since it is larger than the sum of its proper divisors (7892383).
168360161 is a wasteful number, since it uses less digits than its factorization.
168360161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23871.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 168360161 is about 12975.3674707116. The cubic root of 168360161 is about 552.1788621264.
The spelling of 168360161 in words is "one hundred sixty-eight million, three hundred sixty thousand, one hundred sixty-one".
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