Base | Representation |
---|---|
bin | 10000110100001010… |
… | …111011111010111001 |
3 | 1201121021221201101000 |
4 | 100310022323322321 |
5 | 243434104320124 |
6 | 12143332315213 |
7 | 1206265153020 |
oct | 206412737271 |
9 | 51537851330 |
10 | 18055151289 |
11 | 772573143a |
12 | 35ba772b09 |
13 | 19197a0596 |
14 | c33ca58b7 |
15 | 70a14e6c9 |
hex | 4342bbeb9 |
18055151289 has 16 divisors (see below), whose sum is σ = 30569568640. Its totient is φ = 10317229200.
The previous prime is 18055151287. The next prime is 18055151311. The reversal of 18055151289 is 98215155081.
It is a happy number.
18055151289 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 51 + 512 + 89 = 666.
It is not a de Polignac number, because 18055151289 - 21 = 18055151287 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18055151281) 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, 47764762 + ... + 47765139.
It is an arithmetic number, because the mean of its divisors is an integer number (1910598040).
Almost surely, 218055151289 is an apocalyptic number.
It is an amenable number.
18055151289 is a deficient number, since it is larger than the sum of its proper divisors (12514417351).
18055151289 is an equidigital number, since it uses as much as digits as its factorization.
18055151289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95529917 (or 95529911 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 45.
The spelling of 18055151289 in words is "eighteen billion, fifty-five million, one hundred fifty-one thousand, two hundred eighty-nine".
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