Base | Representation |
---|---|
bin | 100100010101100010… |
… | …1101100000011000100 |
3 | 21110102012120201021000 |
4 | 1020223011230003010 |
5 | 2234302233312011 |
6 | 55503023253300 |
7 | 5431466541153 |
oct | 1105305540304 |
9 | 243365521230 |
10 | 78032322756 |
11 | 30103237043 |
12 | 13158a4a230 |
13 | 7487596a5b |
14 | 3ac36d559a |
15 | 206a893356 |
hex | 122b16c0c4 |
78032322756 has 48 divisors (see below), whose sum is σ = 203436273600. Its totient is φ = 25865456256.
The previous prime is 78032322713. The next prime is 78032322757. The reversal of 78032322756 is 65722323087.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (78032322757) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998885 + ... + 2037548.
It is an arithmetic number, because the mean of its divisors is an integer number (4238255700).
Almost surely, 278032322756 is an apocalyptic number.
It is an amenable number.
78032322756 is an abundant number, since it is smaller than the sum of its proper divisors (125403950844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78032322756 is a wasteful number, since it uses less digits than its factorization.
78032322756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4036625 (or 4036617 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 45.
The spelling of 78032322756 in words is "seventy-eight billion, thirty-two million, three hundred twenty-two thousand, seven hundred fifty-six".
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