Base | Representation |
---|---|
bin | 1101000001101000011101… |
… | …01010111001110001111000 |
3 | 10202102021120121111222001002 |
4 | 12200310032222321301320 |
5 | 12223243122023243020 |
6 | 140530331041144132 |
7 | 6014262506354000 |
oct | 640641652716170 |
9 | 122367517458032 |
10 | 28643383024760 |
11 | 9143654a93439 |
12 | 326734302b048 |
13 | 12ca0a074903a |
14 | 7104c077b000 |
15 | 34a130653975 |
hex | 1a0d0eab9c78 |
28643383024760 has 64 divisors (see below), whose sum is σ = 75157564824000. Its totient is φ = 9820588460928.
The previous prime is 28643383024759. The next prime is 28643383024771. The reversal of 28643383024760 is 6742038334682.
It is a super-2 number, since 2×286433830247602 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a junction number, because it is equal to n+sod(n) for n = 28643383024696 and 28643383024705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043841347 + ... + 1043868786.
It is an arithmetic number, because the mean of its divisors is an integer number (1174336950375).
Almost surely, 228643383024760 is an apocalyptic number.
28643383024760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28643383024760 is an abundant number, since it is smaller than the sum of its proper divisors (46514181799240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28643383024760 is a wasteful number, since it uses less digits than its factorization.
28643383024760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2087710165 (or 2087710147 counting only the distinct ones).
The product of its (nonzero) digits is 27869184, while the sum is 56.
The spelling of 28643383024760 in words is "twenty-eight trillion, six hundred forty-three billion, three hundred eighty-three million, twenty-four thousand, seven hundred sixty".
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