Base | Representation |
---|---|
bin | 100100110010100101… |
… | …0101001110100010100 |
3 | 21112221010001100111022 |
4 | 1021211022221310110 |
5 | 2243301203442433 |
6 | 100143431500312 |
7 | 5464600615412 |
oct | 1114512516424 |
9 | 245833040438 |
10 | 79006702868 |
11 | 30563251265 |
12 | 1338b227698 |
13 | 75b1403832 |
14 | 3b76c942b2 |
15 | 20c61b3698 |
hex | 12652a9d14 |
79006702868 has 12 divisors (see below), whose sum is σ = 138263942292. Its totient is φ = 39502719360.
The previous prime is 79006702867. The next prime is 79006702877. The reversal of 79006702868 is 86820760097.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 43038821764 + 35967881104 = 207458^2 + 189652^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79006702867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227996 + ... + 458252.
It is an arithmetic number, because the mean of its divisors is an integer number (11521995191).
Almost surely, 279006702868 is an apocalyptic number.
It is an amenable number.
79006702868 is a deficient number, since it is larger than the sum of its proper divisors (59257239424).
79006702868 is a wasteful number, since it uses less digits than its factorization.
79006702868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316042 (or 316040 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 53.
The spelling of 79006702868 in words is "seventy-nine billion, six million, seven hundred two thousand, eight hundred sixty-eight".
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