Base | Representation |
---|---|
bin | 10000111111011000… |
… | …111001011010001011 |
3 | 1202002102002201201122 |
4 | 100333120321122023 |
5 | 244330300013040 |
6 | 12214134305455 |
7 | 1214042001431 |
oct | 207730713213 |
9 | 52072081648 |
10 | 18243360395 |
11 | 78119a0757 |
12 | 36517b828b |
13 | 1949789b10 |
14 | c50c98d51 |
15 | 71b92a1b5 |
hex | 43f63968b |
18243360395 has 16 divisors (see below), whose sum is σ = 23603553120. Its totient is φ = 13456295424.
The previous prime is 18243360329. The next prime is 18243360437. The reversal of 18243360395 is 59306334281.
It is not a de Polignac number, because 18243360395 - 220 = 18242311819 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 107534 + ... + 219203.
It is an arithmetic number, because the mean of its divisors is an integer number (1475222070).
Almost surely, 218243360395 is an apocalyptic number.
18243360395 is a deficient number, since it is larger than the sum of its proper divisors (5360192725).
18243360395 is a wasteful number, since it uses less digits than its factorization.
18243360395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327614.
The product of its (nonzero) digits is 466560, while the sum is 44.
The spelling of 18243360395 in words is "eighteen billion, two hundred forty-three million, three hundred sixty thousand, three hundred ninety-five".
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