Base | Representation |
---|---|
bin | 10001100011011000… |
… | …000010011000110111 |
3 | 1210122111011122002011 |
4 | 101203120002120313 |
5 | 302044330133212 |
6 | 12354103025051 |
7 | 1235022555403 |
oct | 214330023067 |
9 | 53574148064 |
10 | 18847114807 |
11 | 7aa1783344 |
12 | 379ba3b187 |
13 | 1a1489b551 |
14 | cab13c103 |
15 | 75493a4a7 |
hex | 463602637 |
18847114807 has 12 divisors (see below), whose sum is σ = 19606458088. Its totient is φ = 18112881600.
The previous prime is 18847114801. The next prime is 18847114817. The reversal of 18847114807 is 70841174881.
It is not a de Polignac number, because 18847114807 - 219 = 18846590519 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 (18847114801) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28957 + ... + 196297.
Almost surely, 218847114807 is an apocalyptic number.
18847114807 is a deficient number, since it is larger than the sum of its proper divisors (759343281).
18847114807 is an equidigital number, since it uses as much as digits as its factorization.
18847114807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167490 (or 167449 counting only the distinct ones).
The product of its (nonzero) digits is 401408, while the sum is 49.
The spelling of 18847114807 in words is "eighteen billion, eight hundred forty-seven million, one hundred fourteen thousand, eight hundred seven".
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