Base | Representation |
---|---|
bin | 111111011110000011… |
… | …101110010011110011 |
3 | 20111220111022002200212 |
4 | 333132003232103303 |
5 | 2104032401340012 |
6 | 51150243334335 |
7 | 4631551450562 |
oct | 773603562363 |
9 | 214814262625 |
10 | 68150027507 |
11 | 269a1a06391 |
12 | 1125b3813ab |
13 | 65710ab883 |
14 | 3427051bd9 |
15 | 1b8ced5b22 |
hex | fde0ee4f3 |
68150027507 has 4 divisors (see below), whose sum is σ = 71736871080. Its totient is φ = 64563183936.
The previous prime is 68150027501. The next prime is 68150027531. The reversal of 68150027507 is 70572005186.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68150027507 - 212 = 68150023411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68150027501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793421758 + ... + 1793421795.
It is an arithmetic number, because the mean of its divisors is an integer number (17934217770).
Almost surely, 268150027507 is an apocalyptic number.
68150027507 is a deficient number, since it is larger than the sum of its proper divisors (3586843573).
68150027507 is a wasteful number, since it uses less digits than its factorization.
68150027507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3586843572.
The product of its (nonzero) digits is 117600, while the sum is 41.
The spelling of 68150027507 in words is "sixty-eight billion, one hundred fifty million, twenty-seven thousand, five hundred seven".
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