Base | Representation |
---|---|
bin | 11010101101101100… |
… | …000101010000101110 |
3 | 2202001000122221010202 |
4 | 122231230011100232 |
5 | 432221024134110 |
6 | 21102133433502 |
7 | 2033545300430 |
oct | 325554052056 |
9 | 82030587122 |
10 | 28683818030 |
11 | 1118a2a403a |
12 | 568619b892 |
13 | 29217b27ba |
14 | 1561714650 |
15 | b2d2de0a5 |
hex | 6adb0542e |
28683818030 has 16 divisors (see below), whose sum is σ = 59006711520. Its totient is φ = 9834451872.
The previous prime is 28683817999. The next prime is 28683818069. The reversal of 28683818030 is 3081838682.
It is a super-2 number, since 2×286838180302 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204884345 + ... + 204884484.
It is an arithmetic number, because the mean of its divisors is an integer number (3687919470).
Almost surely, 228683818030 is an apocalyptic number.
28683818030 is an abundant number, since it is smaller than the sum of its proper divisors (30322893490).
28683818030 is a wasteful number, since it uses less digits than its factorization.
28683818030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409768843.
The product of its (nonzero) digits is 442368, while the sum is 47.
The spelling of 28683818030 in words is "twenty-eight billion, six hundred eighty-three million, eight hundred eighteen thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •