The population of the Earth is estimated to be 6 billion people.
It's six billion, five hundred million.
"Six point five billion"
Five hundred two billion, fifty-six thousand, four502,000,056,004
six billion five hundred six million thirteen thosand four hundred twenty
6,000,005,000
Six billion five hundred seventy-nine million in decimal form is 6,579,000,000
6000500000 = 6,000,500,000
Six billion, five million.
Six billion, five hundred million.
Five trillion, eight hundred sixty-five billion, six hundred ninety-six million.
five billion seven million five hundred thousand six hundred
6,000,506,028