Base | Representation |
---|---|
bin | 10110111010100010… |
… | …01011100101011111 |
3 | 1011202100202200020201 |
4 | 23131101023211133 |
5 | 200143331000411 |
6 | 5352422524331 |
7 | 613601000503 |
oct | 133521134537 |
9 | 34670680221 |
10 | 12302203231 |
11 | 524330040a |
12 | 2473b966a7 |
13 | 12109543c6 |
14 | 849c06303 |
15 | 4c00673c1 |
hex | 2dd44b95f |
12302203231 has 8 divisors (see below), whose sum is σ = 12369788928. Its totient is φ = 12234651000.
The previous prime is 12302203229. The next prime is 12302203237. The reversal of 12302203231 is 13230220321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12302203231 - 21 = 12302203229 is a prime.
It is a super-2 number, since 2×123022032312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12302203199 and 12302203208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12302203237) 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, 1192626 + ... + 1202896.
It is an arithmetic number, because the mean of its divisors is an integer number (1546223616).
Almost surely, 212302203231 is an apocalyptic number.
12302203231 is a deficient number, since it is larger than the sum of its proper divisors (67585697).
12302203231 is a wasteful number, since it uses less digits than its factorization.
12302203231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16733.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 12302203231 its reverse (13230220321), we get a palindrome (25532423552).
The spelling of 12302203231 in words is "twelve billion, three hundred two million, two hundred three thousand, two hundred thirty-one".
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