Base | Representation |
---|---|
bin | 11010110110010011… |
… | …011111000111101000 |
3 | 2202102002122200200220 |
4 | 122312103133013220 |
5 | 433020030142123 |
6 | 21124335530040 |
7 | 2040252030132 |
oct | 326623370750 |
9 | 82362580626 |
10 | 28828365288 |
11 | 11253951588 |
12 | 5706689920 |
13 | 2945722818 |
14 | 15769c0052 |
15 | b3ad42ce3 |
hex | 6b64df1e8 |
28828365288 has 64 divisors (see below), whose sum is σ = 72656205120. Its totient is φ = 9531532800.
The previous prime is 28828365287. The next prime is 28828365289. The reversal of 28828365288 is 88256382882.
It is an interprime number because it is at equal distance from previous prime (28828365287) and next prime (28828365289).
It is not an unprimeable number, because it can be changed into a prime (28828365287) 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, 5162658 + ... + 5168238.
It is an arithmetic number, because the mean of its divisors is an integer number (1135253205).
Almost surely, 228828365288 is an apocalyptic number.
It is an amenable number.
28828365288 is an abundant number, since it is smaller than the sum of its proper divisors (43827839832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28828365288 is a wasteful number, since it uses less digits than its factorization.
28828365288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7298 (or 7294 counting only the distinct ones).
The product of its digits is 23592960, while the sum is 60.
The spelling of 28828365288 in words is "twenty-eight billion, eight hundred twenty-eight million, three hundred sixty-five thousand, two hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •