Base | Representation |
---|---|
bin | 100101000111101001… |
… | …0000100000100001000 |
3 | 21121202100121121200220 |
4 | 1022033102010010020 |
5 | 2301223100212311 |
6 | 100341512230040 |
7 | 5521240525614 |
oct | 1121722040410 |
9 | 247670547626 |
10 | 79713288456 |
11 | 3089608949a |
12 | 1354799b320 |
13 | 769490a609 |
14 | 3c02a64344 |
15 | 2118237206 |
hex | 128f484108 |
79713288456 has 64 divisors (see below), whose sum is σ = 211326667200. Its totient is φ = 24970057728.
The previous prime is 79713288451. The next prime is 79713288491. The reversal of 79713288456 is 65488231797.
It is a self number, because there is not a number n which added to its sum of digits gives 79713288456.
It is not an unprimeable number, because it can be changed into a prime (79713288451) 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, 120636 + ... + 417108.
It is an arithmetic number, because the mean of its divisors is an integer number (3301979175).
Almost surely, 279713288456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79713288456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105663333600).
79713288456 is an abundant number, since it is smaller than the sum of its proper divisors (131613378744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79713288456 is a wasteful number, since it uses less digits than its factorization.
79713288456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297158 (or 297154 counting only the distinct ones).
The product of its digits is 20321280, while the sum is 60.
It can be divided in two parts, 797132 and 88456, that added together give a palindrome (885588).
The spelling of 79713288456 in words is "seventy-nine billion, seven hundred thirteen million, two hundred eighty-eight thousand, four hundred fifty-six".
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