Base | Representation |
---|---|
bin | 10000110011111011… |
… | …000010011100011001 |
3 | 1201121000002222112001 |
4 | 100303323002130121 |
5 | 243432022434310 |
6 | 12143103121001 |
7 | 1206214554436 |
oct | 206373023431 |
9 | 51530088461 |
10 | 18050983705 |
11 | 7723345257 |
12 | 35b92a3161 |
13 | 1918971661 |
14 | c334dcb8d |
15 | 709ac993a |
hex | 433ec2719 |
18050983705 has 8 divisors (see below), whose sum is σ = 21661911432. Its totient is φ = 14440299648.
The previous prime is 18050983679. The next prime is 18050983721. The reversal of 18050983705 is 50738905081.
It can be written as a sum of positive squares in 4 ways, for example, as 701879049 + 17349104656 = 26493^2 + 131716^2 .
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 18050983705 - 219 = 18050459417 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 218997 + ... + 289933.
It is an arithmetic number, because the mean of its divisors is an integer number (2707738929).
Almost surely, 218050983705 is an apocalyptic number.
It is an amenable number.
18050983705 is a deficient number, since it is larger than the sum of its proper divisors (3610927727).
18050983705 is an equidigital number, since it uses as much as digits as its factorization.
18050983705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121835.
The product of its (nonzero) digits is 302400, while the sum is 46.
The spelling of 18050983705 in words is "eighteen billion, fifty million, nine hundred eighty-three thousand, seven hundred five".
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