Base | Representation |
---|---|
bin | 1101000010100110011101… |
… | …00111011010100100000100 |
3 | 10202112110111022021100002020 |
4 | 12201103032213122210010 |
5 | 12224314304013411022 |
6 | 140553513544043140 |
7 | 6016551366034062 |
oct | 641231647324404 |
9 | 122473438240066 |
10 | 28676668107012 |
11 | 9156785602382 |
12 | 32718921634b0 |
13 | 130027659c393 |
14 | 711d5b1db032 |
15 | 34ae2c88535c |
hex | 1a14ce9da904 |
28676668107012 has 12 divisors (see below), whose sum is σ = 66912225583056. Its totient is φ = 9558889369000.
The previous prime is 28676668107011. The next prime is 28676668107013. The reversal of 28676668107012 is 21070186667682.
It is an interprime number because it is at equal distance from previous prime (28676668107011) and next prime (28676668107013).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (28676668107011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194861171114 + ... + 1194861171137.
It is an arithmetic number, because the mean of its divisors is an integer number (5576018798588).
Almost surely, 228676668107012 is an apocalyptic number.
It is an amenable number.
28676668107012 is an abundant number, since it is smaller than the sum of its proper divisors (38235557476044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28676668107012 is a wasteful number, since it uses less digits than its factorization.
28676668107012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2389722342258 (or 2389722342256 counting only the distinct ones).
The product of its (nonzero) digits is 16257024, while the sum is 60.
The spelling of 28676668107012 in words is "twenty-eight trillion, six hundred seventy-six billion, six hundred sixty-eight million, one hundred seven thousand, twelve".
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