Base | Representation |
---|---|
bin | 10000110010011100… |
… | …110110111111010000 |
3 | 1201112021122200022202 |
4 | 100302130312333100 |
5 | 243404212421443 |
6 | 12140422022332 |
7 | 1205464660433 |
oct | 206234667720 |
9 | 51467580282 |
10 | 18026295248 |
11 | 7710412475 |
12 | 35b0b779a8 |
13 | 19138091c0 |
14 | c3011381a |
15 | 70784e7b8 |
hex | 432736fd0 |
18026295248 has 20 divisors (see below), whose sum is σ = 37612558788. Its totient is φ = 8319828480.
The previous prime is 18026295247. The next prime is 18026295251. The reversal of 18026295248 is 84259262081.
It can be written as a sum of positive squares in 2 ways, for example, as 9692796304 + 8333498944 = 98452^2 + 91288^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18026295247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43332233 + ... + 43332648.
Almost surely, 218026295248 is an apocalyptic number.
It is an amenable number.
18026295248 is an abundant number, since it is smaller than the sum of its proper divisors (19586263540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18026295248 is a wasteful number, since it uses less digits than its factorization.
18026295248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86664902 (or 86664896 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 47.
The spelling of 18026295248 in words is "eighteen billion, twenty-six million, two hundred ninety-five thousand, two hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •