What's a Billion...?

Ambiguity around interpretations of a few words:

Numeric	English English	US English	Swedish
1 000	thousand	thousand	tusen
1 000 000	million	million	miljon
1 000 000 000	milliard	billion	miljard
1 000 000 000 000	billion	trillion	biljon, billion
1 000 000 000 000 000	trillion	quadrillion	(triljon, trillion - old, not used any longer)

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