Base | Representation |
---|---|
bin | 1101001000010011111001… |
… | …11110001000111001101010 |
3 | 10210020012220201210000220201 |
4 | 12210021330332020321222 |
5 | 12241023112401443012 |
6 | 141224002323342414 |
7 | 6036665361453460 |
oct | 644117476107152 |
9 | 123205821700821 |
10 | 28872866827882 |
11 | 9221a06679280 |
12 | 32a3908821a0a |
13 | 13159131c6b5c |
14 | 71b6504d6830 |
15 | 3510b2239857 |
hex | 1a427cf88e6a |
28872866827882 has 32 divisors (see below), whose sum is σ = 54552670623360. Its totient is φ = 11133198074880.
The previous prime is 28872866827873. The next prime is 28872866827913.
28872866827882 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 28872866827796 and 28872866827805.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966408507 + ... + 966438382.
It is an arithmetic number, because the mean of its divisors is an integer number (1704770956980).
Almost surely, 228872866827882 is an apocalyptic number.
28872866827882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28872866827882 is a deficient number, since it is larger than the sum of its proper divisors (25679803795478).
28872866827882 is a wasteful number, since it uses less digits than its factorization.
28872866827882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1932847006.
The product of its digits is 7398752256, while the sum is 82.
The spelling of 28872866827882 in words is "twenty-eight trillion, eight hundred seventy-two billion, eight hundred sixty-six million, eight hundred twenty-seven thousand, eight hundred eighty-two".
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