Base | Representation |
---|---|
bin | 100110010111011001… |
… | …0110110011110001001 |
3 | 21212122212022021002211 |
4 | 1030232302312132021 |
5 | 2322213200221443 |
6 | 101503232025121 |
7 | 5644454601556 |
oct | 1145662663611 |
9 | 255585267084 |
10 | 82389460873 |
11 | 31a39780435 |
12 | 13b740921a1 |
13 | 7a001a06a5 |
14 | 3db8253a2d |
15 | 222316219d |
hex | 132ecb6789 |
82389460873 has 8 divisors (see below), whose sum is σ = 82457260200. Its totient is φ = 82321694208.
The previous prime is 82389460843. The next prime is 82389460883. The reversal of 82389460873 is 37806498328.
It can be written as a sum of positive squares in 4 ways, for example, as 4399403584 + 77990057289 = 66328^2 + 279267^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-82389460873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82389460843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7673773 + ... + 7684501.
It is an arithmetic number, because the mean of its divisors is an integer number (10307157525).
Almost surely, 282389460873 is an apocalyptic number.
It is an amenable number.
82389460873 is a deficient number, since it is larger than the sum of its proper divisors (67799327).
82389460873 is a wasteful number, since it uses less digits than its factorization.
82389460873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16331.
The product of its (nonzero) digits is 13934592, while the sum is 58.
The spelling of 82389460873 in words is "eighty-two billion, three hundred eighty-nine million, four hundred sixty thousand, eight hundred seventy-three".
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