Base | Representation |
---|---|
bin | 11010110110011010… |
… | …110100010011101010 |
3 | 2202102020021022220110 |
4 | 122312122310103222 |
5 | 433021023141312 |
6 | 21124445035150 |
7 | 2040304253052 |
oct | 326632642352 |
9 | 82366238813 |
10 | 28830287082 |
11 | 11254a44443 |
12 | 5707255ab6 |
13 | 2945c4648c |
14 | 1576d60562 |
15 | b3b0c243c |
hex | 6b66b44ea |
28830287082 has 16 divisors (see below), whose sum is σ = 57662237952. Its totient is φ = 9609818400.
The previous prime is 28830287081. The next prime is 28830287111. The reversal of 28830287082 is 28078203882.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (28830287081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375582 + ... + 445782.
It is an arithmetic number, because the mean of its divisors is an integer number (3603889872).
Almost surely, 228830287082 is an apocalyptic number.
28830287082 is an abundant number, since it is smaller than the sum of its proper divisors (28831950870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28830287082 is a wasteful number, since it uses less digits than its factorization.
28830287082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138653.
The product of its (nonzero) digits is 688128, while the sum is 48.
The spelling of 28830287082 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighty-seven thousand, eighty-two".
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