Vocabulary consisting only from characters you are able to read
百京
hyakukyou
kvadrilionmix
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
億
oku
(num) 100,000,000, hundred millionjlpt4
百
hyaku
(num) 100, hundredjlpt5
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
万
man
(num) 10,000, ten thousand, (adv) myriads, alljlpt5
百万
hyakuman
(1)1,000,000, one million, million, (2)many mix