Base | Representation |
---|---|
bin | 10000111000011010… |
… | …011111111100000001 |
3 | 1201210020220110201001 |
4 | 100320122133330001 |
5 | 244110320333331 |
6 | 12154354212001 |
7 | 1211121226561 |
oct | 207032377401 |
9 | 51706813631 |
10 | 18126339841 |
11 | 7761934455 |
12 | 361a584001 |
13 | 192b46709c |
14 | c3d516da1 |
15 | 711512561 |
hex | 43869ff01 |
18126339841 has 8 divisors (see below), whose sum is σ = 18862256160. Its totient is φ = 17404713312.
The previous prime is 18126339839. The next prime is 18126339919. The reversal of 18126339841 is 14893362181.
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 18126339841 - 21 = 18126339839 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18126339791 and 18126339800.
It is not an unprimeable number, because it can be changed into a prime (18126339941) 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 7 ways as a sum of consecutive naturals, for example, 3569860 + ... + 3574933.
It is an arithmetic number, because the mean of its divisors is an integer number (2357782020).
Almost surely, 218126339841 is an apocalyptic number.
It is an amenable number.
18126339841 is a deficient number, since it is larger than the sum of its proper divisors (735916319).
18126339841 is an equidigital number, since it uses as much as digits as its factorization.
18126339841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7144895.
The product of its digits is 248832, while the sum is 46.
The spelling of 18126339841 in words is "eighteen billion, one hundred twenty-six million, three hundred thirty-nine thousand, eight hundred forty-one".
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