Base | Representation |
---|---|
bin | 1000011010111101010001… |
… | …01100110110001100101011 |
3 | 2102120100022112021221201120 |
4 | 10031132220230312030223 |
5 | 4411401223142413200 |
6 | 103215130140150323 |
7 | 3620625031510452 |
oct | 415365054661453 |
9 | 72510275257646 |
10 | 18518434341675 |
11 | 599a695458474 |
12 | 20b0bb62383a3 |
13 | a443860a4518 |
14 | 480422da1b99 |
15 | 221a9108d9a0 |
hex | 10d7a8b3632b |
18518434341675 has 24 divisors (see below), whose sum is σ = 30617796168960. Its totient is φ = 9876288189600.
The previous prime is 18518434341647. The next prime is 18518434341697. The reversal of 18518434341675 is 57614343481581.
It is not a de Polignac number, because 18518434341675 - 25 = 18518434341643 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954466 + ... + 6160184.
It is an arithmetic number, because the mean of its divisors is an integer number (1275741507040).
Almost surely, 218518434341675 is an apocalyptic number.
18518434341675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
18518434341675 is a deficient number, since it is larger than the sum of its proper divisors (12099361827285).
18518434341675 is a wasteful number, since it uses less digits than its factorization.
18518434341675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5253163 (or 5253158 counting only the distinct ones).
The product of its digits is 38707200, while the sum is 60.
The spelling of 18518434341675 in words is "eighteen trillion, five hundred eighteen billion, four hundred thirty-four million, three hundred forty-one thousand, six hundred seventy-five".
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