Base | Representation |
---|---|
bin | 100110010000000010… |
… | …0101100111010111001 |
3 | 21212000122120102221001 |
4 | 1030200010230322321 |
5 | 2321211433411410 |
6 | 101422530245001 |
7 | 5635365402055 |
oct | 1144004547271 |
9 | 255018512831 |
10 | 82142482105 |
11 | 31922320652 |
12 | 13b05426761 |
13 | 7990c781c8 |
14 | 3d93522c65 |
15 | 220b62833a |
hex | 132012ceb9 |
82142482105 has 4 divisors (see below), whose sum is σ = 98570978532. Its totient is φ = 65713985680.
The previous prime is 82142482043. The next prime is 82142482117. The reversal of 82142482105 is 50128424128.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27028346409 + 55114135696 = 164403^2 + 234764^2 .
It is not a de Polignac number, because 82142482105 - 27 = 82142481977 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8214248206 + ... + 8214248215.
It is an arithmetic number, because the mean of its divisors is an integer number (24642744633).
Almost surely, 282142482105 is an apocalyptic number.
It is an amenable number.
82142482105 is a deficient number, since it is larger than the sum of its proper divisors (16428496427).
82142482105 is a wasteful number, since it uses less digits than its factorization.
82142482105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16428496426.
The product of its (nonzero) digits is 40960, while the sum is 37.
The spelling of 82142482105 in words is "eighty-two billion, one hundred forty-two million, four hundred eighty-two thousand, one hundred five".
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