一万 (ichi-man): ten thousand
十万 (jū-man): a hundred thousand
百万 (hyaku-man): a million
一千万 (i-ssen-man): ten million
一億 (ichi-oku): a hundred million
百億 (hyaku-oku): ten billion
一千億 (i-ssen-oku): a hundred billion
十兆 (ji-cchō): ten trillion
百兆 (hyaku-chō): a hundred trillion
一千兆 (i-ssen-chō): a quadrillion
一京 (i-kkei): ten quadrillion
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