Base | Representation |
---|---|
bin | 10000110111111101… |
… | …000001100000010110 |
3 | 1201202201100220111021 |
4 | 100313331001200112 |
5 | 244101331104024 |
6 | 12153520431354 |
7 | 1210665445435 |
oct | 206775014026 |
9 | 51681326437 |
10 | 18118613014 |
11 | 7758537147 |
12 | 3617a7855a |
13 | 19299900b8 |
14 | c3c4a511c |
15 | 7109d7de4 |
hex | 437f41816 |
18118613014 has 4 divisors (see below), whose sum is σ = 27177919524. Its totient is φ = 9059306506.
The previous prime is 18118613003. The next prime is 18118613033. The reversal of 18118613014 is 41031681181.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41031681181 = 8389 ⋅4891129.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4529653252 + ... + 4529653255.
It is an arithmetic number, because the mean of its divisors is an integer number (6794479881).
Almost surely, 218118613014 is an apocalyptic number.
18118613014 is a deficient number, since it is larger than the sum of its proper divisors (9059306510).
18118613014 is an equidigital number, since it uses as much as digits as its factorization.
18118613014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9059306509.
The product of its (nonzero) digits is 4608, while the sum is 34.
The spelling of 18118613014 in words is "eighteen billion, one hundred eighteen million, six hundred thirteen thousand, fourteen".
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