One hundred twenty-three septillion, four hundred fifty-six sextillion, seven hundred eighty-nine quintillion, one hundred twenty-three quadrillion, four hundred fifty-six trillion, seven hundred eighty-nine billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred eighty-nine.
To write one billion three million, you would write out the number 1,003,000,000.
650,000 = 0.65 million or 0.00065 billion
1 billion = 1000000000 1 million = 1000000 So a million billion is 1000000000000000
USA Billion is a thousand million, thus: 7.500.000.000 Europe Billion is a million million, thus: 7.500.000.000.000
As a number it is: 1,800,000,000 = 1.8 billion