Search a number
-
+
18024593213 = 1117293323731
BaseRepresentation
bin10000110010010110…
…010111011100111101
31201112011110012120102
4100302112113130331
5243403243440323
612140321330445
71205444341304
oct206226273475
951464405512
1018024593213
11770a45a730
1235b0496a25
131913361593
14c2dbcd43b
15707615328
hex43259773d

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".

Divisors: 1 11 17 29 187 319 493 5423 3323731 36561041 56503427 96388199 621537697 1060270189 1638599383 18024593213