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    Math Definitions -> B -> Billion

 Billion


Usually means a thousand millions. 1,000 x 1,000,000 = 1,000,000,000

A 1 followed by 9 zeros, 1 × 109

In some countries such as the UK it can mean a million million 1,000,000 x 1,000,000 = 1,000,000,000,000 (A 1 followed by 12 zeros, 1 × 1012)