Base | Representation |
---|---|
bin | 10011100100001… |
… | …10110101110001 |
3 | 102102211200020212 |
4 | 21302012311301 |
5 | 314004131121 |
6 | 24141513505 |
7 | 4032040406 |
oct | 1162066561 |
9 | 372750225 |
10 | 164130161 |
11 | 84713468 |
12 | 46b72895 |
13 | 28008650 |
14 | 17b262ad |
15 | e62125b |
hex | 9c86d71 |
164130161 has 8 divisors (see below), whose sum is σ = 176956584. Its totient is φ = 151332480.
The previous prime is 164130149. The next prime is 164130167. The reversal of 164130161 is 161031461.
164130161 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 4 ways, for example, as 6150400 + 157979761 = 2480^2 + 12569^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 164130161 - 226 = 97021297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (164130167) 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, 5525 + ... + 18941.
It is an arithmetic number, because the mean of its divisors is an integer number (22119573).
Almost surely, 2164130161 is an apocalyptic number.
It is an amenable number.
164130161 is a deficient number, since it is larger than the sum of its proper divisors (12826423).
164130161 is a wasteful number, since it uses less digits than its factorization.
164130161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14371.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 164130161 is about 12811.3294001833. The cubic root of 164130161 is about 547.5151386875.
The spelling of 164130161 in words is "one hundred sixty-four million, one hundred thirty thousand, one hundred sixty-one".
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