They can never max out the OS at the AS... since they raise the AS at will!
And your calculation is not valid because the preferred conversion rate is based on a dollar amount for conversion...
Shares Outstanding a/o Dec 8, 2016:
Common - 1,280,741,569 - 3.5B Authorized
Shares Outstanding a/o Jan 30, 2017:
Common - 2,244,589,633 - 9.9B Authorized
Shares Outstanding a/o June 15, 2017:
Common - 6,400,000,000 - 15B Authorized