Base | Representation |
---|---|
bin | 11010010011011010… |
… | …110011001101011011 |
3 | 2200220022100010021000 |
4 | 122103122303031123 |
5 | 430320212030102 |
6 | 20550311120043 |
7 | 2016614135121 |
oct | 322332631533 |
9 | 80808303230 |
10 | 28243080027 |
11 | 10a83534058 |
12 | 5582673023 |
13 | 28813a9796 |
14 | 151cd87911 |
15 | b0478001c |
hex | 6936b335b |
28243080027 has 16 divisors (see below), whose sum is σ = 41862674080. Its totient is φ = 18819236736.
The previous prime is 28243080013. The next prime is 28243080029. The reversal of 28243080027 is 72008034282.
It is not a de Polignac number, because 28243080027 - 28 = 28243079771 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28243079973 and 28243080000.
It is not an unprimeable number, because it can be changed into a prime (28243080029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208618 + ... + 316239.
It is an arithmetic number, because the mean of its divisors is an integer number (2616417130).
Almost surely, 228243080027 is an apocalyptic number.
28243080027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
28243080027 is a deficient number, since it is larger than the sum of its proper divisors (13619594053).
28243080027 is a wasteful number, since it uses less digits than its factorization.
28243080027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526859 (or 526853 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The spelling of 28243080027 in words is "twenty-eight billion, two hundred forty-three million, eighty thousand, twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •