Base | Representation |
---|---|
bin | 11010011101011100… |
… | …110000110000010100 |
3 | 2201100000222221210101 |
4 | 122131130300300110 |
5 | 431141302211140 |
6 | 21015122103444 |
7 | 2024026426033 |
oct | 323534606024 |
9 | 81300887711 |
10 | 28411366420 |
11 | 1105a526118 |
12 | 560aaaab84 |
13 | 28aa20bb28 |
14 | 153747271a |
15 | b1442299a |
hex | 69d730c14 |
28411366420 has 24 divisors (see below), whose sum is σ = 59696890848. Its totient is φ = 11358256800.
The previous prime is 28411366363. The next prime is 28411366441. The reversal of 28411366420 is 2466311482.
It is a self number, because there is not a number n which added to its sum of digits gives 28411366420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355986 + ... + 428425.
It is an arithmetic number, because the mean of its divisors is an integer number (2487370452).
Almost surely, 228411366420 is an apocalyptic number.
28411366420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28411366420 is an abundant number, since it is smaller than the sum of its proper divisors (31285524428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28411366420 is a wasteful number, since it uses less digits than its factorization.
28411366420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 786231 (or 786229 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 37.
The spelling of 28411366420 in words is "twenty-eight billion, four hundred eleven million, three hundred sixty-six thousand, four hundred twenty".
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