Base | Representation |
---|---|
bin | 10000111000110101… |
… | …011101101111001001 |
3 | 1201210202012121101010 |
4 | 100320311131233021 |
5 | 244114123034323 |
6 | 12155205514133 |
7 | 1211235300540 |
oct | 207065355711 |
9 | 51722177333 |
10 | 18133408713 |
11 | 77659223a2 |
12 | 3620a12949 |
13 | 192ca70754 |
14 | c40437157 |
15 | 711e5bc93 |
hex | 438d5dbc9 |
18133408713 has 8 divisors (see below), whose sum is σ = 27631860928. Its totient is φ = 10361947824.
The previous prime is 18133408693. The next prime is 18133408747. The reversal of 18133408713 is 31780433181.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18133408713 - 25 = 18133408681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18133408763) 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 7 ways as a sum of consecutive naturals, for example, 431747806 + ... + 431747847.
It is an arithmetic number, because the mean of its divisors is an integer number (3453982616).
Almost surely, 218133408713 is an apocalyptic number.
It is an amenable number.
18133408713 is a deficient number, since it is larger than the sum of its proper divisors (9498452215).
18133408713 is an equidigital number, since it uses as much as digits as its factorization.
18133408713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 863495663.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 18133408713 in words is "eighteen billion, one hundred thirty-three million, four hundred eight thousand, seven hundred thirteen".
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