Base | Representation |
---|---|
bin | 10000110010010110… |
… | …010111011100111101 |
3 | 1201112011110012120102 |
4 | 100302112113130331 |
5 | 243403243440323 |
6 | 12140321330445 |
7 | 1205444341304 |
oct | 206226273475 |
9 | 51464405512 |
10 | 18024593213 |
11 | 770a45a730 |
12 | 35b0496a25 |
13 | 1913361593 |
14 | c2dbcd43b |
15 | 707615328 |
hex | 43259773d |
18024593213 has 16 divisors (see below), whose sum is σ = 21537783360. Its totient is φ = 14890310400.
The previous prime is 18024593203. The next prime is 18024593231. The reversal of 18024593213 is 31239542081.
It is a cyclic number.
It is not a de Polignac number, because 18024593213 - 222 = 18020398909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18024593203) 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 15 ways as a sum of consecutive naturals, for example, 1656443 + ... + 1667288.
It is an arithmetic number, because the mean of its divisors is an integer number (1346111460).
Almost surely, 218024593213 is an apocalyptic number.
It is an amenable number.
18024593213 is a deficient number, since it is larger than the sum of its proper divisors (3513190147).
18024593213 is a wasteful number, since it uses less digits than its factorization.
18024593213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3323788.
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 18024593213 in words is "eighteen billion, twenty-four million, five hundred ninety-three thousand, two hundred thirteen".
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