Base | Representation |
---|---|
bin | 100110101001000000… |
… | …0000011000100110011 |
3 | 21221012000202000010100 |
4 | 1031102000003010303 |
5 | 2324420402413211 |
6 | 102042012003443 |
7 | 5665216256436 |
oct | 1152200030463 |
9 | 257160660110 |
10 | 82980122931 |
11 | 322121305a2 |
12 | 140b9a60583 |
13 | 7a95679b74 |
14 | 403288981d |
15 | 2259e38156 |
hex | 1352003133 |
82980122931 has 12 divisors (see below), whose sum is σ = 119915876808. Its totient is φ = 55294374624.
The previous prime is 82980122909. The next prime is 82980122933. The reversal of 82980122931 is 13922108928.
It is a happy number.
It is not a de Polignac number, because 82980122931 - 213 = 82980114739 is a prime.
It is a super-2 number, since 2×829801229312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (82980122933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121825 + ... + 2160578.
It is an arithmetic number, because the mean of its divisors is an integer number (9992989734).
Almost surely, 282980122931 is an apocalyptic number.
82980122931 is a deficient number, since it is larger than the sum of its proper divisors (36935753877).
82980122931 is a wasteful number, since it uses less digits than its factorization.
82980122931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4284562 (or 4284559 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 82980122931 in words is "eighty-two billion, nine hundred eighty million, one hundred twenty-two thousand, nine hundred thirty-one".
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