Base | Representation |
---|---|
bin | 10101100100111101… |
… | …111011111000111001 |
3 | 2012210200011200122202 |
4 | 111210331323320321 |
5 | 334422202403134 |
6 | 14351003355545 |
7 | 1450100333603 |
oct | 254475737071 |
9 | 65720150582 |
10 | 23168794169 |
11 | 990a1a8a84 |
12 | 45a7222bb5 |
13 | 225303b681 |
14 | 119b0aa173 |
15 | 909052d7e |
hex | 564f7be39 |
23168794169 has 2 divisors, whose sum is σ = 23168794170. Its totient is φ = 23168794168.
The previous prime is 23168794153. The next prime is 23168794177. The reversal of 23168794169 is 96149786132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22278547600 + 890246569 = 149260^2 + 29837^2 .
It is a cyclic number.
It is not a de Polignac number, because 23168794169 - 24 = 23168794153 is a prime.
It is a super-2 number, since 2×231687941692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23168794069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11584397084 + 11584397085.
It is an arithmetic number, because the mean of its divisors is an integer number (11584397085).
Almost surely, 223168794169 is an apocalyptic number.
It is an amenable number.
23168794169 is a deficient number, since it is larger than the sum of its proper divisors (1).
23168794169 is an equidigital number, since it uses as much as digits as its factorization.
23168794169 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3919104, while the sum is 56.
The spelling of 23168794169 in words is "twenty-three billion, one hundred sixty-eight million, seven hundred ninety-four thousand, one hundred sixty-nine".
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