Base | Representation |
---|---|
bin | 10110010110100011… |
… | …10101011101001000 |
3 | 1010222022211201020210 |
4 | 23023101311131020 |
5 | 144034044303330 |
6 | 5302441521120 |
7 | 603244405503 |
oct | 131321653510 |
9 | 33868751223 |
10 | 12000384840 |
11 | 50a89a4824 |
12 | 23aaaa31a0 |
13 | 119326aa42 |
14 | 81babc13a |
15 | 4a37e98b0 |
hex | 2cb475748 |
12000384840 has 64 divisors (see below), whose sum is σ = 36189711360. Its totient is φ = 3183342080.
The previous prime is 12000384829. The next prime is 12000384841. The reversal of 12000384840 is 4848300021.
12000384840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 12000384798 and 12000384807.
It is not an unprimeable number, because it can be changed into a prime (12000384841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238869 + ... + 284708.
It is an arithmetic number, because the mean of its divisors is an integer number (565464240).
Almost surely, 212000384840 is an apocalyptic number.
12000384840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12000384840 is an abundant number, since it is smaller than the sum of its proper divisors (24189326520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000384840 is a wasteful number, since it uses less digits than its factorization.
12000384840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523782 (or 523778 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
Adding to 12000384840 its reverse (4848300021), we get a palindrome (16848684861).
The spelling of 12000384840 in words is "twelve billion, three hundred eighty-four thousand, eight hundred forty".
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