septillion
number /sepˈtɪljən/
/sepˈtɪljən/
- the number 1024, or 1 followed by 24 zeros
数字1024,即1后跟24个零 词源late 17th cent.: from French, from million, by substitution of the prefix septi- ‘seven’ (from Latin septimus ‘seventh’) for the initial letters.