Base | Representation |
---|---|
bin | 10110111010101000… |
… | …10111111010000011 |
3 | 1011202102100012021000 |
4 | 23131110113322003 |
5 | 200144034241011 |
6 | 5352452503043 |
7 | 613611054444 |
oct | 133524277203 |
9 | 34672305230 |
10 | 12303040131 |
11 | 5243822168 |
12 | 247431aa83 |
13 | 1210b88305 |
14 | 849d832cb |
15 | 4c0180356 |
hex | 2dd517e83 |
12303040131 has 32 divisors (see below), whose sum is σ = 19310745600. Its totient is φ = 7714811520.
The previous prime is 12303040121. The next prime is 12303040157. The reversal of 12303040131 is 13104030321.
12303040131 is a `hidden beast` number, since 1 + 230 + 3 + 0 + 401 + 31 = 666.
It is not a de Polignac number, because 12303040131 - 27 = 12303040003 is a prime.
It is a super-2 number, since 2×123030401312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12303040121) 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 31 ways as a sum of consecutive naturals, for example, 833110 + ... + 847748.
It is an arithmetic number, because the mean of its divisors is an integer number (603460800).
Almost surely, 212303040131 is an apocalyptic number.
12303040131 is a deficient number, since it is larger than the sum of its proper divisors (7007705469).
12303040131 is a wasteful number, since it uses less digits than its factorization.
12303040131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16496 (or 16490 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12303040131 its reverse (13104030321), we get a palindrome (25407070452).
The spelling of 12303040131 in words is "twelve billion, three hundred three million, forty thousand, one hundred thirty-one".
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