Base | Representation |
---|---|
bin | 100110100110011100… |
… | …1011111101000001000 |
3 | 21220222001122212022200 |
4 | 1031030321133220020 |
5 | 2324231444100132 |
6 | 102025313120200 |
7 | 5663126532621 |
oct | 1151471375010 |
9 | 256861585280 |
10 | 82894518792 |
11 | 32178881978 |
12 | 14095259060 |
13 | 7a80a06a27 |
14 | 4025364a48 |
15 | 2252678d7c |
hex | 134ce5fa08 |
82894518792 has 36 divisors (see below), whose sum is σ = 224512605135. Its totient is φ = 27630691920.
The previous prime is 82894518779. The next prime is 82894518823. The reversal of 82894518792 is 29781549828.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
82894518792 is a `hidden beast` number, since 8 + 28 + 9 + 4 + 518 + 7 + 92 = 666.
It can be written as a sum of positive squares in only one way, i.e., 41447259396 + 41447259396 = 203586^2 + 203586^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=203586.
It is a super-2 number, since 2×828945187922 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2426067 + ... + 2459997.
Almost surely, 282894518792 is an apocalyptic number.
It is an amenable number.
82894518792 is an abundant number, since it is smaller than the sum of its proper divisors (141618086343).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82894518792 is an frugal number, since it uses more digits than its factorization.
82894518792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67874 (or 33936 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 63.
The spelling of 82894518792 in words is "eighty-two billion, eight hundred ninety-four million, five hundred eighteen thousand, seven hundred ninety-two".
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