Base | Representation |
---|---|
bin | 100101001011100100… |
… | …1011110011011110001 |
3 | 21122002112221012121212 |
4 | 1022113021132123301 |
5 | 2302010341124042 |
6 | 100402544525505 |
7 | 5524432316462 |
oct | 1122711363361 |
9 | 248075835555 |
10 | 79845254897 |
11 | 30953623871 |
12 | 13584020895 |
13 | 76b6064175 |
14 | 3c163b6d69 |
15 | 2124b03482 |
hex | 129725e6f1 |
79845254897 has 8 divisors (see below), whose sum is σ = 80327115936. Its totient is φ = 79364535712.
The previous prime is 79845254887. The next prime is 79845254911.
79845254897 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 79845254897 - 26 = 79845254833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79845254887) 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, 144983 + ... + 425100.
It is an arithmetic number, because the mean of its divisors is an integer number (10040889492).
Almost surely, 279845254897 is an apocalyptic number.
It is an amenable number.
79845254897 is a deficient number, since it is larger than the sum of its proper divisors (481861039).
79845254897 is a wasteful number, since it uses less digits than its factorization.
79845254897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570927.
The product of its digits is 203212800, while the sum is 68.
The spelling of 79845254897 in words is "seventy-nine billion, eight hundred forty-five million, two hundred fifty-four thousand, eight hundred ninety-seven".
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