Base | Representation |
---|---|
bin | 100101011001011111… |
… | …1001100000000100000 |
3 | 21200022002210120112120 |
4 | 1022302333030000200 |
5 | 2303434423220112 |
6 | 100521151424240 |
7 | 5542133312430 |
oct | 1126277140040 |
9 | 250262716476 |
10 | 80312320032 |
11 | 3107323580a |
12 | 13694525080 |
13 | 775ba57479 |
14 | 3c5c4382c0 |
15 | 2150b12e8c |
hex | 12b2fcc020 |
80312320032 has 96 divisors (see below), whose sum is σ = 242380035072. Its totient is φ = 22808941824.
The previous prime is 80312320021. The next prime is 80312320037. The reversal of 80312320032 is 23002321308.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 80312319984 and 80312320011.
It is not an unprimeable number, because it can be changed into a prime (80312320037) 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, 245598 + ... + 470045.
It is an arithmetic number, because the mean of its divisors is an integer number (2524792032).
Almost surely, 280312320032 is an apocalyptic number.
It is an amenable number.
80312320032 is an abundant number, since it is smaller than the sum of its proper divisors (162067715040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80312320032 is a wasteful number, since it uses less digits than its factorization.
80312320032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 715830 (or 715822 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The spelling of 80312320032 in words is "eighty billion, three hundred twelve million, three hundred twenty thousand, thirty-two".
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