Base | Representation |
---|---|
bin | 10110111010100011… |
… | …01010111000100111 |
3 | 1011202101000012002212 |
4 | 23131101222320213 |
5 | 200143344101211 |
6 | 5352425354035 |
7 | 613602043325 |
oct | 133521527047 |
9 | 34671005085 |
10 | 12302331431 |
11 | 5243388765 |
12 | 247403891b |
13 | 121099a870 |
14 | 849c3ad15 |
15 | 4c009038b |
hex | 2dd46ae27 |
12302331431 has 16 divisors (see below), whose sum is σ = 13681317888. Its totient is φ = 10985436000.
The previous prime is 12302331421. The next prime is 12302331449. The reversal of 12302331431 is 13413320321.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12302331431 is a prime.
It is a super-2 number, since 2×123023314312 (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 = 12302331397 and 12302331406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12302331421) 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, 1547990 + ... + 1555916.
It is an arithmetic number, because the mean of its divisors is an integer number (855082368).
Almost surely, 212302331431 is an apocalyptic number.
12302331431 is a deficient number, since it is larger than the sum of its proper divisors (1378986457).
12302331431 is a wasteful number, since it uses less digits than its factorization.
12302331431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11822.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 12302331431 its reverse (13413320321), we get a palindrome (25715651752).
The spelling of 12302331431 in words is "twelve billion, three hundred two million, three hundred thirty-one thousand, four hundred thirty-one".
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