Base | Representation |
---|---|
bin | 1001100111110… |
… | …01001111111110 |
3 | 12121212122000100 |
4 | 10303321033332 |
5 | 131130301302 |
6 | 12001541530 |
7 | 2000022000 |
oct | 463711776 |
9 | 177778010 |
10 | 80712702 |
11 | 41618714 |
12 | 230448a6 |
13 | 1394c8c5 |
14 | aa10370 |
15 | 7144d1c |
hex | 4cf93fe |
80712702 has 96 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 21676032.
The previous prime is 80712701. The next prime is 80712733. The reversal of 80712702 is 20721708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80712701) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104574 + ... + 105342.
It is an arithmetic number, because the mean of its divisors is an integer number (2252250).
Almost surely, 280712702 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80712702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108108000).
80712702 is an abundant number, since it is smaller than the sum of its proper divisors (135503298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80712702 is a wasteful number, since it uses less digits than its factorization.
80712702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 815 (or 798 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 80712702 is about 8984.0248218713. The cubic root of 80712702 is about 432.1627151965.
The spelling of 80712702 in words is "eighty million, seven hundred twelve thousand, seven hundred two".
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