@geomaniac_
Going to be lazy and use this value.
4.7 characters x 16 millions x 2 (spacing) = 150,400,000 characters or 15.04% of a billion.
For reference, 150,400,000 SECONDS is 4 years 9 months 7 days 7 hours and 12 minutes.
Ofc, they didn't write a char each sec so it took waay longer.