Base | Representation |
---|---|
bin | 100110101001000000… |
… | …0000011000100110010 |
3 | 21221012000202000010022 |
4 | 1031102000003010302 |
5 | 2324420402413210 |
6 | 102042012003442 |
7 | 5665216256435 |
oct | 1152200030462 |
9 | 257160660108 |
10 | 82980122930 |
11 | 322121305a1 |
12 | 140b9a60582 |
13 | 7a95679b73 |
14 | 403288981c |
15 | 2259e38155 |
hex | 1352003132 |
82980122930 has 16 divisors (see below), whose sum is σ = 149369376024. Its totient is φ = 33190903680.
The previous prime is 82980122909. The next prime is 82980122933. The reversal of 82980122930 is 3922108928.
It can be written as a sum of positive squares in 4 ways, for example, as 68852185609 + 14127937321 = 262397^2 + 118861^2 .
It is not an unprimeable number, because it can be changed into a prime (82980122933) 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, 200300 + ... + 453960.
Almost surely, 282980122930 is an apocalyptic number.
82980122930 is a deficient number, since it is larger than the sum of its proper divisors (66389253094).
82980122930 is a wasteful number, since it uses less digits than its factorization.
82980122930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286381.
The product of its (nonzero) digits is 124416, while the sum is 44.
The spelling of 82980122930 in words is "eighty-two billion, nine hundred eighty million, one hundred twenty-two thousand, nine hundred thirty".
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