Base | Representation |
---|---|
bin | 10110100110000010… |
… | …10111000111110111 |
3 | 1011022101021021102122 |
4 | 23103001113013313 |
5 | 144320323042043 |
6 | 5323402030155 |
7 | 606412466354 |
oct | 132301270767 |
9 | 34271237378 |
10 | 12130284023 |
11 | 5165257a20 |
12 | 24264a835b |
13 | 11b414c670 |
14 | 83105362b |
15 | 4aee08368 |
hex | 2d30571f7 |
12130284023 has 32 divisors (see below), whose sum is σ = 15109016832. Its totient is φ = 9567936000.
The previous prime is 12130284017. The next prime is 12130284037. The reversal of 12130284023 is 32048203121.
It is a cyclic number.
It is not a de Polignac number, because 12130284023 - 26 = 12130283959 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12130283983 and 12130284001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130284073) 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, 2143748 + ... + 2149398.
It is an arithmetic number, because the mean of its divisors is an integer number (472156776).
Almost surely, 212130284023 is an apocalyptic number.
12130284023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12130284023 is a deficient number, since it is larger than the sum of its proper divisors (2978732809).
12130284023 is a wasteful number, since it uses less digits than its factorization.
12130284023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6575.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 12130284023 its reverse (32048203121), we get a palindrome (44178487144).
The spelling of 12130284023 in words is "twelve billion, one hundred thirty million, two hundred eighty-four thousand, twenty-three".
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