Memory Address Range in 64 bit Machine

In the video prateek Bhaiya is saying that In 64 bit Memory Address ranges from 0 to 2^64. I think it should be 0 to 2^64-1.

hey Ritik, you are right.
Number of memory address are 2^64, that are indexed from 0 to (2^64)-1

Thanks a lot @Gaurav13998.

hey ritik, if your query is resolved. Please mark this doubt as resolved and rate me on the basis of your experience.
Rating option is just below where you mark this doubt as resolved