Base | Representation |
---|---|
bin | 100101100100000110… |
… | …0010011101010101100 |
3 | 21201012220020002120202 |
4 | 1023020030103222230 |
5 | 2310202012041222 |
6 | 101020340533032 |
7 | 5554013242034 |
oct | 1131014235254 |
9 | 251186202522 |
10 | 80668080812 |
11 | 31236035090 |
12 | 137736b1178 |
13 | 77b76797c7 |
14 | 3c937a48c4 |
15 | 2171e88892 |
hex | 12c8313aac |
80668080812 has 24 divisors (see below), whose sum is σ = 154043325072. Its totient is φ = 36657636800.
The previous prime is 80668080739. The next prime is 80668080827. The reversal of 80668080812 is 21808086608.
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, 71783 + ... + 408030.
It is an arithmetic number, because the mean of its divisors is an integer number (6418471878).
Almost surely, 280668080812 is an apocalyptic number.
It is an amenable number.
80668080812 is a deficient number, since it is larger than the sum of its proper divisors (73375244260).
80668080812 is a wasteful number, since it uses less digits than its factorization.
80668080812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483649 (or 483647 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 47.
The spelling of 80668080812 in words is "eighty billion, six hundred sixty-eight million, eighty thousand, eight hundred twelve".
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