Base | Representation |
---|---|
bin | 11010001000101001… |
… | …100001001010010110 |
3 | 2200102201100001121112 |
4 | 122020221201022112 |
5 | 424432432421021 |
6 | 20520334215022 |
7 | 2012261240600 |
oct | 321051411226 |
9 | 80381301545 |
10 | 28062388886 |
11 | 109a053a134 |
12 | 5532054472 |
13 | 2852b2314c |
14 | 1502d90170 |
15 | ae398bd5b |
hex | 688a61296 |
28062388886 has 24 divisors (see below), whose sum is σ = 51846361416. Its totient is φ = 11319282240.
The previous prime is 28062388873. The next prime is 28062388889. The reversal of 28062388886 is 68888326082.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28062388889) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8420420 + ... + 8423751.
It is an arithmetic number, because the mean of its divisors is an integer number (2160265059).
Almost surely, 228062388886 is an apocalyptic number.
28062388886 is a deficient number, since it is larger than the sum of its proper divisors (23783972530).
28062388886 is a wasteful number, since it uses less digits than its factorization.
28062388886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16844204 (or 16844197 counting only the distinct ones).
The product of its (nonzero) digits is 14155776, while the sum is 59.
The spelling of 28062388886 in words is "twenty-eight billion, sixty-two million, three hundred eighty-eight thousand, eight hundred eighty-six".
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