Base | Representation |
---|---|
bin | 11010001001110101… |
… | …110011010010100100 |
3 | 2200111002222000121111 |
4 | 122021311303102210 |
5 | 430003042323314 |
6 | 20522330554404 |
7 | 2012623225504 |
oct | 321165632244 |
9 | 80432860544 |
10 | 28082386084 |
11 | 10a00858345 |
12 | 5538898a04 |
13 | 28570051cc |
14 | 15058b7a04 |
15 | ae55dbec4 |
hex | 689d734a4 |
28082386084 has 27 divisors (see below), whose sum is σ = 51387885003. Its totient is φ = 13427019672.
The previous prime is 28082386069. The next prime is 28082386109. The reversal of 28082386084 is 48068328082.
The square root of 28082386084 is 167578.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 7706767 + ... + 7710409.
Almost surely, 228082386084 is an apocalyptic number.
28082386084 is the 167578-th square number.
It is an amenable number.
28082386084 is a deficient number, since it is larger than the sum of its proper divisors (23305498919).
28082386084 is an frugal number, since it uses more digits than its factorization.
28082386084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7336 (or 3668 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 49.
Multiplying 28082386084 by its sum of digits (49), we get a square (1376036918116 = 11730462).
The spelling of 28082386084 in words is "twenty-eight billion, eighty-two million, three hundred eighty-six thousand, eighty-four".
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