Base | Representation |
---|---|
bin | 10110100111111000… |
… | …11010100111001000 |
3 | 1011100110101210002001 |
4 | 23103330122213020 |
5 | 144333303433213 |
6 | 5325113520344 |
7 | 606661204012 |
oct | 132374324710 |
9 | 34313353061 |
10 | 12145764808 |
11 | 5172a70961 |
12 | 242b7130b4 |
13 | 11b740caa8 |
14 | 8331231b2 |
15 | 4b14651dd |
hex | 2d3f1a9c8 |
12145764808 has 16 divisors (see below), whose sum is σ = 22774480560. Its totient is φ = 6072570000.
The previous prime is 12145764773. The next prime is 12145764811. The reversal of 12145764808 is 80846754121.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270783 + ... + 312433.
It is an arithmetic number, because the mean of its divisors is an integer number (1423405035).
Almost surely, 212145764808 is an apocalyptic number.
It is an amenable number.
12145764808 is a deficient number, since it is larger than the sum of its proper divisors (10628715752).
12145764808 is a wasteful number, since it uses less digits than its factorization.
12145764808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78108 (or 78104 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 46.
The spelling of 12145764808 in words is "twelve billion, one hundred forty-five million, seven hundred sixty-four thousand, eight hundred eight".
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