Base | Representation |
---|---|
bin | 1111000110001101… |
… | …10000111010000000 |
3 | 202220212022012222101 |
4 | 13203012300322000 |
5 | 113044410343022 |
6 | 3420133520144 |
7 | 404565536620 |
oct | 74306607200 |
9 | 22825265871 |
10 | 8105168512 |
11 | 348a17a081 |
12 | 16a24a3054 |
13 | 9c22762cc |
14 | 56c642880 |
15 | 326871627 |
hex | 1e31b0e80 |
8105168512 has 32 divisors (see below), whose sum is σ = 18453733920. Its totient is φ = 3473643264.
The previous prime is 8105168507. The next prime is 8105168537. The reversal of 8105168512 is 2158615018.
It is a tau number, because it is divible by the number of its divisors (32).
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, 4522078 + ... + 4523869.
It is an arithmetic number, because the mean of its divisors is an integer number (576679185).
Almost surely, 28105168512 is an apocalyptic number.
It is an amenable number.
8105168512 is an abundant number, since it is smaller than the sum of its proper divisors (10348565408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8105168512 is an equidigital number, since it uses as much as digits as its factorization.
8105168512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9045968 (or 9045956 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 37.
The square root of 8105168512 is about 90028.7093765094. The cubic root of 8105168512 is about 2008.7259164903.
The spelling of 8105168512 in words is "eight billion, one hundred five million, one hundred sixty-eight thousand, five hundred twelve".
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