Search a number
-
+
18330344514 = 23213116746549
BaseRepresentation
bin10001000100100100…
…101101110001000010
31202022110202222111200
4101010210231301002
5300020032011024
612230522522030
71216146233436
oct210444556102
952273688450
1018330344514
117857002159
123676966316
1319617c4101
14c5c65c9c6
157243ad2c9
hex44492dc42

18330344514 has 48 divisors (see below), whose sum is σ = 40259419200. Its totient is φ = 6027035040.

The previous prime is 18330344471. The next prime is 18330344519. The reversal of 18330344514 is 41544303381.

18330344514 is a `hidden beast` number, since 1 + 83 + 30 + 34 + 4 + 514 = 666.

It is not an unprimeable number, because it can be changed into a prime (18330344519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370512 + ... + 417060.

It is an arithmetic number, because the mean of its divisors is an integer number (838737900).

Almost surely, 218330344514 is an apocalyptic number.

18330344514 is an abundant number, since it is smaller than the sum of its proper divisors (21929074686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18330344514 is a wasteful number, since it uses less digits than its factorization.

18330344514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46855 (or 46852 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 18330344514 its reverse (41544303381), we get a palindrome (59874647895).

The spelling of 18330344514 in words is "eighteen billion, three hundred thirty million, three hundred forty-four thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 131 167 262 334 393 501 786 1002 1179 1503 2358 3006 21877 43754 46549 65631 93098 131262 139647 196893 279294 393786 418941 837882 6097919 7773683 12195838 15547366 18293757 23321049 36587514 46642098 54881271 69963147 109762542 139926294 1018352473 2036704946 3055057419 6110114838 9165172257 18330344514