1000000001000

1000000001000 is a decimal integer equal to 1,000,000,001,000 when written with standard commas. The numeral is formed by a leading 1, followed by eight zeros, then another 1, and three trailing zeros. In exponential form, it can be expressed as 10^12 + 10^3.

Mathematically, the number factors as 1000 times (10^9 + 1), or 1000 × 1,000,000,001. Because of the factor 1000, the number is divisible by 2^3 and 5^3, making it a composite number. Its decimal representation shows two nonzero digits, highlighting a sparse pattern with the first 1 in the 10^12 position and the second in the 10^3 position.

In usage terms, 1000000001000 is primarily of interest as a concrete example of a large integer that is the sum of two powers of ten. It can serve as a test value for arithmetic operations, formatting routines, or data-entry demonstrations. While it does not have a widely cited mathematical significance beyond its clear decomposition into 10^12 and 10^3, it is representative of numbers that arise in illustrative contexts or as identifiers in datasets.