Base | Representation |
---|---|
bin | 110001110011001001101101… |
… | …1100100001100111010001100 |
3 | 2010102222002201200222102002011 |
4 | 1203212103123210030322030 |
5 | 424403311434410103222 |
6 | 4151344130034311004 |
7 | 161160155006330440 |
oct | 14346233344147214 |
9 | 2112862650872064 |
10 | 438038808284812 |
11 | 1176332406a0739 |
12 | 41166a32728464 |
13 | 15a55b61780197 |
14 | 7a2529746a820 |
15 | 35995dbe03c77 |
hex | 18e64db90ce8c |
438038808284812 has 48 divisors (see below), whose sum is σ = 927613665679680. Its totient is φ = 176687528067072.
The previous prime is 438038808284719. The next prime is 438038808284813. The reversal of 438038808284812 is 218482808830834.
It is not an unprimeable number, because it can be changed into a prime (438038808284813) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313075948 + ... + 314471980.
It is an arithmetic number, because the mean of its divisors is an integer number (19325284701660).
Almost surely, 2438038808284812 is an apocalyptic number.
It is an amenable number.
438038808284812 is an abundant number, since it is smaller than the sum of its proper divisors (489574857394868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438038808284812 is a wasteful number, since it uses less digits than its factorization.
438038808284812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2055250 (or 2055248 counting only the distinct ones).
The product of its (nonzero) digits is 150994944, while the sum is 67.
The spelling of 438038808284812 in words is "four hundred thirty-eight trillion, thirty-eight billion, eight hundred eight million, two hundred eighty-four thousand, eight hundred twelve".
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