Côte d'Ivoire

#177 of 193 countries

26833486473

That piece first turns up at decimal place 10,347,211,555 of π (about 10.3 billion digits in).

Côte d'Ivoire is 11 digits on the keypad. We look up at most 10 digits at a time, so it is ranked by its longest piece we found: the 10 digits 2683348647.