Base | Representation |
---|---|
bin | 100110001111101110… |
… | …1110111111001000111 |
3 | 21211222221102022102010 |
4 | 1030133131313321013 |
5 | 2321201332202211 |
6 | 101421524145303 |
7 | 5635213026453 |
oct | 1143735677107 |
9 | 254887368363 |
10 | 82132303431 |
11 | 319175a9222 |
12 | 13b01b38233 |
13 | 798bb23219 |
14 | 3d92033663 |
15 | 220a7b74a6 |
hex | 131f777e47 |
82132303431 has 32 divisors (see below), whose sum is σ = 111593278720. Its totient is φ = 53721771264.
The previous prime is 82132303391. The next prime is 82132303441. The reversal of 82132303431 is 13430323128.
It is not a de Polignac number, because 82132303431 - 26 = 82132303367 is a prime.
It is a super-2 number, since 2×821323034312 (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 (82132303441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47667336 + ... + 47669058.
It is an arithmetic number, because the mean of its divisors is an integer number (3487289960).
Almost surely, 282132303431 is an apocalyptic number.
82132303431 is a deficient number, since it is larger than the sum of its proper divisors (29460975289).
82132303431 is a wasteful number, since it uses less digits than its factorization.
82132303431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2815.
The product of its (nonzero) digits is 10368, while the sum is 30.
Adding to 82132303431 its reverse (13430323128), we get a palindrome (95562626559).
The spelling of 82132303431 in words is "eighty-two billion, one hundred thirty-two million, three hundred three thousand, four hundred thirty-one".
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