Base | Representation |
---|---|
bin | 100101101001111100… |
… | …1111011010010011000 |
3 | 21201201120222202002000 |
4 | 1023103321323102120 |
5 | 2311102313321302 |
6 | 101052040441000 |
7 | 5561620444050 |
oct | 1132371732230 |
9 | 251646882060 |
10 | 80864588952 |
11 | 31326a52604 |
12 | 13809479160 |
13 | 78192b0604 |
14 | 3cb1918560 |
15 | 218435331c |
hex | 12d3e7b498 |
80864588952 has 128 divisors (see below), whose sum is σ = 256784601600. Its totient is φ = 23097723264.
The previous prime is 80864588941. The next prime is 80864589041. The reversal of 80864588952 is 25988546808.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a self number, because there is not a number n which added to its sum of digits gives 80864588952.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9047878 + ... + 9056810.
It is an arithmetic number, because the mean of its divisors is an integer number (2006129700).
Almost surely, 280864588952 is an apocalyptic number.
It is an amenable number.
80864588952 is an abundant number, since it is smaller than the sum of its proper divisors (175920012648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80864588952 is a wasteful number, since it uses less digits than its factorization.
80864588952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14942 (or 14932 counting only the distinct ones).
The product of its (nonzero) digits is 44236800, while the sum is 63.
The spelling of 80864588952 in words is "eighty billion, eight hundred sixty-four million, five hundred eighty-eight thousand, nine hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •