In the past, China used the decimal reading method and adopted the four-digit classification rule, that is, starting from the unit, every four counting units were taken as the first level:
Units, ten, hundred and thousand are called grades;
Ten thousand, one hundred thousand, one million and ten million are called ten thousand levels;
Billions, billions, billions, billions is called billions.
Extended data:
1, Chinese amount in words number to Yuan, after Yuan, you should write "whole" (or "positive"), and after Angle, you can omit "whole" (or "positive"). There is a "minute" in the number, and the word "whole" (or "positive") is not written after the "minute". ?
2. When there is a "0" in Arabic numerals, the word "zero" should be capitalized in Chinese, such as RMB 1409.50, which should be written as RMB14,009.50. ?
3. When there are several "0s" in Arabic numerals, only one "0s" can be written in Chinese words, such as ￥6007. 14, which should be written as RMB six thousand 0.7 yuan 14?
References:
Baidu Encyclopedia _ Capitalized Numbers