Base | Representation |
---|---|
bin | 10001000100100100… |
… | …101101110001000010 |
3 | 1202022110202222111200 |
4 | 101010210231301002 |
5 | 300020032011024 |
6 | 12230522522030 |
7 | 1216146233436 |
oct | 210444556102 |
9 | 52273688450 |
10 | 18330344514 |
11 | 7857002159 |
12 | 3676966316 |
13 | 19617c4101 |
14 | c5c65c9c6 |
15 | 7243ad2c9 |
hex | 44492dc42 |
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".
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