Base | Representation |
---|---|
bin | 1001011010110… |
… | …11000011100001 |
3 | 12111200102210111 |
4 | 10231123003201 |
5 | 130212004121 |
6 | 11501331321 |
7 | 1646424550 |
oct | 455330341 |
9 | 174612714 |
10 | 79016161 |
11 | 4066a014 |
12 | 22566b41 |
13 | 134a7633 |
14 | a6cbd97 |
15 | 6e0c2e1 |
hex | 4b5b0e1 |
79016161 has 4 divisors (see below), whose sum is σ = 90304192. Its totient is φ = 67728132.
The previous prime is 79016137. The next prime is 79016173. The reversal of 79016161 is 16161097.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16161097 = 653 ⋅24749.
It is a cyclic number.
It is not a de Polignac number, because 79016161 - 25 = 79016129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79016131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5644005 + ... + 5644018.
It is an arithmetic number, because the mean of its divisors is an integer number (22576048).
Almost surely, 279016161 is an apocalyptic number.
It is an amenable number.
79016161 is a deficient number, since it is larger than the sum of its proper divisors (11288031).
79016161 is a wasteful number, since it uses less digits than its factorization.
79016161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11288030.
The product of its (nonzero) digits is 2268, while the sum is 31.
The square root of 79016161 is about 8889.1034981037. The cubic root of 79016161 is about 429.1132998942.
The spelling of 79016161 in words is "seventy-nine million, sixteen thousand, one hundred sixty-one".
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