Base | Representation |
---|---|
bin | 10001000111101011… |
… | …000111100100110101 |
3 | 1202110002122101010101 |
4 | 101013223013210311 |
5 | 300121340322431 |
6 | 12240021354101 |
7 | 1220350302652 |
oct | 210753074465 |
9 | 52402571111 |
10 | 18382354741 |
11 | 78833a6213 |
12 | 3690268931 |
13 | 196c5044aa |
14 | c6551ac29 |
15 | 728c33961 |
hex | 447ac7935 |
18382354741 has 2 divisors, whose sum is σ = 18382354742. Its totient is φ = 18382354740.
The previous prime is 18382354709. The next prime is 18382354759. The reversal of 18382354741 is 14745328381.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17173054116 + 1209300625 = 131046^2 + 34775^2 .
It is a cyclic number.
It is not a de Polignac number, because 18382354741 - 25 = 18382354709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18382354691 and 18382354700.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18382354241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191177370 + 9191177371.
It is an arithmetic number, because the mean of its divisors is an integer number (9191177371).
Almost surely, 218382354741 is an apocalyptic number.
It is an amenable number.
18382354741 is a deficient number, since it is larger than the sum of its proper divisors (1).
18382354741 is an equidigital number, since it uses as much as digits as its factorization.
18382354741 is an evil number, because the sum of its binary digits is even.
The product of its digits is 645120, while the sum is 46.
The spelling of 18382354741 in words is "eighteen billion, three hundred eighty-two million, three hundred fifty-four thousand, seven hundred forty-one".
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