Base | Representation |
---|---|
bin | 100101000111101100… |
… | …0000101010111100100 |
3 | 21121202110120210120220 |
4 | 1022033120011113210 |
5 | 2301224001213120 |
6 | 100342010124340 |
7 | 5521260121032 |
oct | 1121730052744 |
9 | 247673523526 |
10 | 79714866660 |
11 | 30896a671a0 |
12 | 135484206b0 |
13 | 7695040a70 |
14 | 3c02d55552 |
15 | 2118449b40 |
hex | 128f6055e4 |
79714866660 has 192 divisors, whose sum is σ = 262752456960. Its totient is φ = 17802270720.
The previous prime is 79714866659. The next prime is 79714866667. The reversal of 79714866660 is 6666841797.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 79714866594 and 79714866603.
It is not an unprimeable number, because it can be changed into a prime (79714866667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4358094 + ... + 4376346.
It is an arithmetic number, because the mean of its divisors is an integer number (1368502380).
Almost surely, 279714866660 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 79714866660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131376228480).
79714866660 is an abundant number, since it is smaller than the sum of its proper divisors (183037590300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79714866660 is a wasteful number, since it uses less digits than its factorization.
79714866660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18798 (or 18796 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 60.
The spelling of 79714866660 in words is "seventy-nine billion, seven hundred fourteen million, eight hundred sixty-six thousand, six hundred sixty".
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