Base | Representation |
---|---|
bin | 1111001001101000… |
… | …10000110010101000 |
3 | 202222212022112212110 |
4 | 13210310100302220 |
5 | 113124232412213 |
6 | 3423041042320 |
7 | 405364530615 |
oct | 74464206250 |
9 | 22885275773 |
10 | 8133872808 |
11 | 34a43a5036 |
12 | 16b00263a0 |
13 | 9c81b65b9 |
14 | 57239550c |
15 | 3291415c3 |
hex | 1e4d10ca8 |
8133872808 has 32 divisors (see below), whose sum is σ = 20346600960. Its totient is φ = 2709701760.
The previous prime is 8133872749. The next prime is 8133872827. The reversal of 8133872808 is 8082783318.
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, 57160 + ... + 139767.
It is an arithmetic number, because the mean of its divisors is an integer number (635831280).
Almost surely, 28133872808 is an apocalyptic number.
It is an amenable number.
8133872808 is an abundant number, since it is smaller than the sum of its proper divisors (12212728152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8133872808 is a wasteful number, since it uses less digits than its factorization.
8133872808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198657 (or 198653 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 48.
The square root of 8133872808 is about 90187.9859404788. The cubic root of 8133872808 is about 2011.0944105633.
The spelling of 8133872808 in words is "eight billion, one hundred thirty-three million, eight hundred seventy-two thousand, eight hundred eight".
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