Base | Representation |
---|---|
bin | 11010010000011000… |
… | …001111000100001010 |
3 | 2200202202100211221112 |
4 | 122100120033010022 |
5 | 430214132413132 |
6 | 20541250010322 |
7 | 2015424456344 |
oct | 322030170412 |
9 | 80682324845 |
10 | 28192076042 |
11 | 10a57767aa9 |
12 | 55695769a2 |
13 | 287395c400 |
14 | 15162ac294 |
15 | b00057ab2 |
hex | 69060f10a |
28192076042 has 24 divisors (see below), whose sum is σ = 45906833196. Its totient is φ = 12978890496.
The previous prime is 28192075999. The next prime is 28192076047. The reversal of 28192076042 is 24067029182.
It can be written as a sum of positive squares in 6 ways, for example, as 7131971401 + 21060104641 = 84451^2 + 145121^2 .
It is not an unprimeable number, because it can be changed into a prime (28192076047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29138 + ... + 239234.
Almost surely, 228192076042 is an apocalyptic number.
28192076042 is a deficient number, since it is larger than the sum of its proper divisors (17714757154).
28192076042 is a wasteful number, since it uses less digits than its factorization.
28192076042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210522 (or 210509 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 41.
The spelling of 28192076042 in words is "twenty-eight billion, one hundred ninety-two million, seventy-six thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •