Base | Representation |
---|---|
bin | 100101001000101100… |
… | …0111010110111011110 |
3 | 21121211211010200012120 |
4 | 1022101120322313132 |
5 | 2301311122441342 |
6 | 100345214043410 |
7 | 5522150154156 |
oct | 1122130726736 |
9 | 247754120176 |
10 | 79748640222 |
11 | 30904034829 |
12 | 135577a9566 |
13 | 769c037514 |
14 | 3c07627766 |
15 | 211b3bbaec |
hex | 129163adde |
79748640222 has 8 divisors (see below), whose sum is σ = 159497280456. Its totient is φ = 26582880072.
The previous prime is 79748640221. The next prime is 79748640233. The reversal of 79748640222 is 22204684797.
It is a sphenic number, since it is the product of 3 distinct primes.
79748640222 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79748640221) 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, 6645720013 + ... + 6645720024.
It is an arithmetic number, because the mean of its divisors is an integer number (19937160057).
Almost surely, 279748640222 is an apocalyptic number.
79748640222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79748640222 is a wasteful number, since it uses less digits than its factorization.
79748640222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13291440042.
The product of its (nonzero) digits is 2709504, while the sum is 51.
The spelling of 79748640222 in words is "seventy-nine billion, seven hundred forty-eight million, six hundred forty thousand, two hundred twenty-two".
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