Base | Representation |
---|---|
bin | 100100110011101010… |
… | …0011001110000101000 |
3 | 21120000121222221020102 |
4 | 1021213110121300220 |
5 | 2243334430003333 |
6 | 100151201444532 |
7 | 5465516552600 |
oct | 1114724316050 |
9 | 246017887212 |
10 | 79042812968 |
11 | 30581675319 |
12 | 1339b340748 |
13 | 75b8a37962 |
14 | 3b7b9b3c00 |
15 | 20c9447ae8 |
hex | 1267519c28 |
79042812968 has 96 divisors (see below), whose sum is σ = 173574576000. Its totient is φ = 33645830400.
The previous prime is 79042812883. The next prime is 79042812973. The reversal of 79042812968 is 86921824097.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75350108 + ... + 75351156.
It is an arithmetic number, because the mean of its divisors is an integer number (1808068500).
Almost surely, 279042812968 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 79042812968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86787288000).
79042812968 is an abundant number, since it is smaller than the sum of its proper divisors (94531763032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79042812968 is a wasteful number, since it uses less digits than its factorization.
79042812968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2191 (or 2180 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 56.
The spelling of 79042812968 in words is "seventy-nine billion, forty-two million, eight hundred twelve thousand, nine hundred sixty-eight".
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