It is: 500,000,000,000 = 500 billion
One billion is written as 1,000,000,000. Four hundred twenty-seven million is written as 427,000,000. Therefore, when combined, one billion four hundred twenty-seven million is written as 1,427,000,000 in digits.
29,000,000,000
580,000,000
1,600,000
3,810,000,000
1,300,000,000
It is 7,046,000,000.
7,000,000,000 is 7 billion
1,560,000,000
In digits: 1,001,001,001 (Using the accepted "short scale" billion, which equals one thousand million.)
10 digits: 1,000,000,000 is one billion dollars.