Base | Representation |
---|---|
bin | 100110010100001000… |
… | …1111001011111111111 |
3 | 21212101020122011102212 |
4 | 1030220101321133333 |
5 | 2322002210043411 |
6 | 101444325211035 |
7 | 5641656546104 |
oct | 1145021713777 |
9 | 255336564385 |
10 | 82280159231 |
11 | 319930064a6 |
12 | 13b43560a7b |
13 | 79b365116a |
14 | 3da7920aab |
15 | 221877168b |
hex | 13284797ff |
82280159231 has 4 divisors (see below), whose sum is σ = 82283365992. Its totient is φ = 82276952472.
The previous prime is 82280159207. The next prime is 82280159287. The reversal of 82280159231 is 13295108228.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 82280159231 - 218 = 82279897087 is a prime.
It is a super-2 number, since 2×822801592312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82280159431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564580 + ... + 1616313.
It is an arithmetic number, because the mean of its divisors is an integer number (20570841498).
Almost surely, 282280159231 is an apocalyptic number.
82280159231 is a deficient number, since it is larger than the sum of its proper divisors (3206761).
82280159231 is a wasteful number, since it uses less digits than its factorization.
82280159231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206760.
The product of its (nonzero) digits is 69120, while the sum is 41.
The spelling of 82280159231 in words is "eighty-two billion, two hundred eighty million, one hundred fifty-nine thousand, two hundred thirty-one".
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