Base | Representation |
---|---|
bin | 1001100010011… |
… | …10100000000000 |
3 | 12120120002122000 |
4 | 10301032200000 |
5 | 130440411222 |
6 | 11534544000 |
7 | 1661046651 |
oct | 461164000 |
9 | 176502560 |
10 | 80013312 |
11 | 41190205 |
12 | 22968000 |
13 | 13766472 |
14 | a8ab528 |
15 | 70579ac |
hex | 4c4e800 |
80013312 has 96 divisors (see below), whose sum is σ = 237182400. Its totient is φ = 26652672.
The previous prime is 80013289. The next prime is 80013341. The reversal of 80013312 is 21331008.
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 (18).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54573 + ... + 56019.
It is an arithmetic number, because the mean of its divisors is an integer number (2470650).
Almost surely, 280013312 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 80013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118591200).
80013312 is an abundant number, since it is smaller than the sum of its proper divisors (157169088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80013312 is a wasteful number, since it uses less digits than its factorization.
80013312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1478 (or 1452 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 80013312 is about 8945.0160424674. The cubic root of 80013312 is about 430.9108365430.
The spelling of 80013312 in words is "eighty million, thirteen thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •