Base | Representation |
---|---|
bin | 1001100010111… |
… | …00100010011100 |
3 | 12120200000111122 |
4 | 10301130202130 |
5 | 130444231222 |
6 | 11540110112 |
7 | 1661406413 |
oct | 461344234 |
9 | 176600448 |
10 | 80070812 |
11 | 4121a428 |
12 | 22995338 |
13 | 137866a3 |
14 | a8c447a |
15 | 7069a42 |
hex | 4c5c89c |
80070812 has 24 divisors (see below), whose sum is σ = 144916800. Its totient is φ = 38681280.
The previous prime is 80070803. The next prime is 80070871. The reversal of 80070812 is 21807008.
It is a super-2 number, since 2×800708122 = 12822669868678688, which contains 22 as substring.
It is a congruent number.
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, 20237 + ... + 23867.
It is an arithmetic number, because the mean of its divisors is an integer number (6038200).
Almost surely, 280070812 is an apocalyptic number.
It is an amenable number.
80070812 is a deficient number, since it is larger than the sum of its proper divisors (64845988).
80070812 is a wasteful number, since it uses less digits than its factorization.
80070812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3821 (or 3819 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 80070812 is about 8948.2295455582. The cubic root of 80070812 is about 431.0140337052.
The spelling of 80070812 in words is "eighty million, seventy thousand, eight hundred twelve".
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