5,009,000,000 km
five billion three million two hundred 50320
One Billion Five Hundred and Seventeen Million = 1,517,000,000
Five billion, ten million.
2,500,000,000 or 2.5 billion
Two billion, five hundred million.
4,570,000,000Four billion, five hundred seventy million.
3,500,000,000
1,500,000,000
One billion five hundred million
20,005,000,016.
5,000,000,000five billion, five hundred million.
3,500,000,000 or 'three billion five hundred million'.