Base | Representation |
---|---|
bin | 1000100001110100… |
… | …10010000000100100 |
3 | 102211002121002100220 |
4 | 10100322102000210 |
5 | 33334120241433 |
6 | 2034201004340 |
7 | 221315100546 |
oct | 42072220044 |
9 | 12732532326 |
10 | 4578680868 |
11 | 1a3a600783 |
12 | a794836b0 |
13 | 57c794628 |
14 | 31614b696 |
15 | 1bbe812b3 |
hex | 110e92024 |
4578680868 has 12 divisors (see below), whose sum is σ = 10683588720. Its totient is φ = 1526226952.
The previous prime is 4578680867. The next prime is 4578680881. The reversal of 4578680868 is 8680868754.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (4578680867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190778358 + ... + 190778381.
It is an arithmetic number, because the mean of its divisors is an integer number (890299060).
Almost surely, 24578680868 is an apocalyptic number.
It is an amenable number.
4578680868 is an abundant number, since it is smaller than the sum of its proper divisors (6104907852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4578680868 is a wasteful number, since it uses less digits than its factorization.
4578680868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381556746 (or 381556744 counting only the distinct ones).
The product of its (nonzero) digits is 20643840, while the sum is 60.
The square root of 4578680868 is about 67665.9505807759. The cubic root of 4578680868 is about 1660.5302496312.
The spelling of 4578680868 in words is "four billion, five hundred seventy-eight million, six hundred eighty thousand, eight hundred sixty-eight".
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