Base | Representation |
---|---|
bin | 11010001001100000… |
… | …101101101101001000 |
3 | 2200110201120011202110 |
4 | 122021200231231020 |
5 | 430000133430214 |
6 | 20522012302320 |
7 | 2012525233254 |
oct | 321140555510 |
9 | 80421504673 |
10 | 28076858184 |
11 | 109a8722131 |
12 | 5536a719a0 |
13 | 2855b1b06b |
14 | 1504c79264 |
15 | ae4d99159 |
hex | 68982db48 |
28076858184 has 32 divisors (see below), whose sum is σ = 70342477920. Its totient is φ = 9338908416.
The previous prime is 28076858177. The next prime is 28076858189. The reversal of 28076858184 is 48185867082.
It is not an unprimeable number, because it can be changed into a prime (28076858189) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241329 + ... + 1263744.
It is an arithmetic number, because the mean of its divisors is an integer number (2198202435).
Almost surely, 228076858184 is an apocalyptic number.
28076858184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28076858184 is an abundant number, since it is smaller than the sum of its proper divisors (42265619736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28076858184 is a wasteful number, since it uses less digits than its factorization.
28076858184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2505549 (or 2505545 counting only the distinct ones).
The product of its (nonzero) digits is 6881280, while the sum is 57.
The spelling of 28076858184 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-eight thousand, one hundred eighty-four".
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