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septillion▼(a billion quintillion, 10^42, see also: tredecillion)numeral[UK: septˈɪliən] [US: septˈɪliən]
tredecillion▼(10^42, see also: septillion)numeral[UK: trˌedɪsˈɪliən] [US: trˌedɪsˈɪliən]
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