How do I get the value of 0b011 from the primary oscillator with PLL in a DSPIC33FJ128GP710A
The value 0b011 represents the binary value 011, which equates to decimal 3.

The 0b signifies that the following digits are in base 2, or binary.

This notation was popular in a number of compilers, like GCC, and has since been adopted as part of the new C++14 standard.

It follows the same kind of syntax as using 0x... for hexadecimal.