Base | Representation |
---|---|
bin | 10000001110101010… |
… | …11110111011000001 |
3 | 211111020001121100000 |
4 | 20013111132323001 |
5 | 120321012204120 |
6 | 4000325550213 |
7 | 425626223100 |
oct | 100725367301 |
9 | 24436047300 |
10 | 8713006785 |
11 | 37712a0a5a |
12 | 1831b75369 |
13 | a8b187822 |
14 | 5c926a037 |
15 | 35eddb990 |
hex | 20755eec1 |
8713006785 has 144 divisors (see below), whose sum is σ = 18810634752. Its totient is φ = 3853785600.
The previous prime is 8713006751. The next prime is 8713006843. The reversal of 8713006785 is 5876003178.
8713006785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8713006785 - 26 = 8713006721 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 8713006785.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1843225 + ... + 1847945.
It is an arithmetic number, because the mean of its divisors is an integer number (130629408).
Almost surely, 28713006785 is an apocalyptic number.
It is an amenable number.
8713006785 is an abundant number, since it is smaller than the sum of its proper divisors (10097627967).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8713006785 is a wasteful number, since it uses less digits than its factorization.
8713006785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4786 (or 4767 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The square root of 8713006785 is about 93343.4881767336. The cubic root of 8713006785 is about 2057.7345555182.
Adding to 8713006785 its product of nonzero digits (282240), we get a square (8713289025 = 933452).
The spelling of 8713006785 in words is "eight billion, seven hundred thirteen million, six thousand, seven hundred eighty-five".
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