Base | Representation |
---|---|
bin | 100110011010010100… |
… | …1110010101010010001 |
3 | 21212220201020211102122 |
4 | 1030310221302222101 |
5 | 2322413330434030 |
6 | 101521102424025 |
7 | 5650060204625 |
oct | 1146451625221 |
9 | 255821224378 |
10 | 82487749265 |
11 | 31a8a202a09 |
12 | 13ba0b92015 |
13 | 7a176650bc |
14 | 3dc731b185 |
15 | 222bac98e5 |
hex | 1334a72a91 |
82487749265 has 16 divisors (see below), whose sum is σ = 107037925632. Its totient is φ = 60786964224.
The previous prime is 82487749249. The next prime is 82487749301. The reversal of 82487749265 is 56294778428.
It is a cyclic number.
It is not a de Polignac number, because 82487749265 - 24 = 82487749249 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 82487749198 and 82487749207.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10319879 + ... + 10327868.
It is an arithmetic number, because the mean of its divisors is an integer number (6689870352).
Almost surely, 282487749265 is an apocalyptic number.
82487749265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
82487749265 is a deficient number, since it is larger than the sum of its proper divisors (24550176367).
82487749265 is a wasteful number, since it uses less digits than its factorization.
82487749265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20647816.
The product of its digits is 54190080, while the sum is 62.
The spelling of 82487749265 in words is "eighty-two billion, four hundred eighty-seven million, seven hundred forty-nine thousand, two hundred sixty-five".
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