Base | Representation |
---|---|
bin | 11010100100100100… |
… | …011000100100111010 |
3 | 2201122100202001210100 |
4 | 122210210120210322 |
5 | 431412341230200 |
6 | 21035030100230 |
7 | 2030006561436 |
oct | 324444304472 |
9 | 81570661710 |
10 | 28530805050 |
11 | 11110994130 |
12 | 5642aaa676 |
13 | 28c8b9a387 |
14 | 15492839c6 |
15 | b1eb66d00 |
hex | 6a491893a |
28530805050 has 288 divisors, whose sum is σ = 91404578304. Its totient is φ = 6299136000.
The previous prime is 28530805001. The next prime is 28530805063. The reversal of 28530805050 is 5050803582.
28530805050 is a `hidden beast` number, since 28 + 53 + 0 + 80 + 505 + 0 = 666.
28530805050 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×285308050502 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28530804996 and 28530805014.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2603182 + ... + 2614118.
It is an arithmetic number, because the mean of its divisors is an integer number (317377008).
Almost surely, 228530805050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28530805050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45702289152).
28530805050 is an abundant number, since it is smaller than the sum of its proper divisors (62873773254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28530805050 is a wasteful number, since it uses less digits than its factorization.
28530805050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11014 (or 11006 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The spelling of 28530805050 in words is "twenty-eight billion, five hundred thirty million, eight hundred five thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •