Base | Representation |
---|---|
bin | 1001010111111101010… |
… | …1011001100100110101 |
3 | 120101200212012001211212 |
4 | 2111333111121210311 |
5 | 10114312311344130 |
6 | 201552502411205 |
7 | 14430654213134 |
oct | 2257725314465 |
9 | 511625161755 |
10 | 161050106165 |
11 | 6233464a4a3 |
12 | 27267430b05 |
13 | 1225799b610 |
14 | 7b1b18591b |
15 | 42c8c69e95 |
hex | 257f559935 |
161050106165 has 16 divisors (see below), whose sum is σ = 214840045056. Its totient is φ = 115092878400.
The previous prime is 161050106159. The next prime is 161050106179. The reversal of 161050106165 is 561601050161.
It is not a de Polignac number, because 161050106165 - 24 = 161050106149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39960791 + ... + 39964820.
It is an arithmetic number, because the mean of its divisors is an integer number (13427502816).
Almost surely, 2161050106165 is an apocalyptic number.
It is an amenable number.
161050106165 is a deficient number, since it is larger than the sum of its proper divisors (53789938891).
161050106165 is a wasteful number, since it uses less digits than its factorization.
161050106165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79925660.
The product of its (nonzero) digits is 5400, while the sum is 32.
The spelling of 161050106165 in words is "one hundred sixty-one billion, fifty million, one hundred six thousand, one hundred sixty-five".
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