Base | Representation |
---|---|
bin | 10111110011100000… |
… | …00101111011010011 |
3 | 1012222122221202020201 |
4 | 23321300011323103 |
5 | 202133144143223 |
6 | 5512053120031 |
7 | 631462535053 |
oct | 137160057323 |
9 | 35878852221 |
10 | 12780068563 |
11 | 5469019739 |
12 | 2588029017 |
13 | 1288959562 |
14 | 893479563 |
15 | 4ebeabead |
hex | 2f9c05ed3 |
12780068563 has 8 divisors (see below), whose sum is σ = 13544731440. Its totient is φ = 12016838400.
The previous prime is 12780068537. The next prime is 12780068641. The reversal of 12780068563 is 36586008721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12780068563 - 25 = 12780068531 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12780068503) 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, 339778 + ... + 375511.
It is an arithmetic number, because the mean of its divisors is an integer number (1693091430).
Almost surely, 212780068563 is an apocalyptic number.
12780068563 is a deficient number, since it is larger than the sum of its proper divisors (764662877).
12780068563 is a wasteful number, since it uses less digits than its factorization.
12780068563 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 716357.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 12780068563 in words is "twelve billion, seven hundred eighty million, sixty-eight thousand, five hundred sixty-three".
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