4, 002, 009, 001
1,000,000,000 .am sure
In digits: 1,001,001,001 (Using the accepted "short scale" billion, which equals one thousand million.)
Two billion nine million six thousand one is written as 2,009,006,000
Two billion, thirty million, one hundred four thousand = 2,030,104,000
11,001,003,000
1,001,001,001 or one billion, one million, one thousand, one.
150,008,001,500
The simplest form is one billion. But some people write it as one thousand million which is confusing.
one billion, four hundred thirteen million, one thousand.
11,100,003,000
ten billion six hundred eighty-six million one hundred thousand
One million thousands is the same as one thousand millions; both equal a billion (US reckoning) or a milliard (UK reckoning).Written out, this would be 1,000,000,000.