Base | Representation |
---|---|
bin | 100101000001001000… |
… | …1010010101000010001 |
3 | 21121012010211111202120 |
4 | 1022002101102220101 |
5 | 2300301203412121 |
6 | 100304113204453 |
7 | 5512650125250 |
oct | 1120221225021 |
9 | 247163744676 |
10 | 79494982161 |
11 | 30793932771 |
12 | 134a6860729 |
13 | 765b613aaa |
14 | 3bc1a78797 |
15 | 2103eb3bc6 |
hex | 1282452a11 |
79494982161 has 16 divisors (see below), whose sum is σ = 123188352000. Its totient is φ = 44655776208.
The previous prime is 79494982159. The next prime is 79494982187. The reversal of 79494982161 is 16128949497.
It is not a de Polignac number, because 79494982161 - 21 = 79494982159 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 79494982095 and 79494982104.
It is not an unprimeable number, because it can be changed into a prime (79494982261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32079061 + ... + 32081538.
It is an arithmetic number, because the mean of its divisors is an integer number (7699272000).
Almost surely, 279494982161 is an apocalyptic number.
It is an amenable number.
79494982161 is a deficient number, since it is larger than the sum of its proper divisors (43693369839).
79494982161 is a wasteful number, since it uses less digits than its factorization.
79494982161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64160668.
The product of its digits is 7838208, while the sum is 60.
The spelling of 79494982161 in words is "seventy-nine billion, four hundred ninety-four million, nine hundred eighty-two thousand, one hundred sixty-one".
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