Base | Representation |
---|---|
bin | 10110111010100000… |
… | …11110111010000111 |
3 | 1011202100102101012221 |
4 | 23131100132322013 |
5 | 200143304121411 |
6 | 5352414553211 |
7 | 613566306124 |
oct | 133520367207 |
9 | 34670371187 |
10 | 12302020231 |
11 | 5243195976 |
12 | 2473b08807 |
13 | 12108bc017 |
14 | 849b9974b |
15 | 4c002d071 |
hex | 2dd41ee87 |
12302020231 has 16 divisors (see below), whose sum is σ = 13023014400. Its totient is φ = 11588548608.
The previous prime is 12302020187. The next prime is 12302020249. The reversal of 12302020231 is 13202020321.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12302020231 is a prime.
It is a super-2 number, since 2×123020202312 (a number of 21 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 (12302020631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3215986 + ... + 3219808.
It is an arithmetic number, because the mean of its divisors is an integer number (813938400).
Almost surely, 212302020231 is an apocalyptic number.
12302020231 is a deficient number, since it is larger than the sum of its proper divisors (720994169).
12302020231 is a wasteful number, since it uses less digits than its factorization.
12302020231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4758.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12302020231 its reverse (13202020321), we get a palindrome (25504040552).
The spelling of 12302020231 in words is "twelve billion, three hundred two million, twenty thousand, two hundred thirty-one".
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