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THE MOST UNIQUE 10 DIGIT NUMBER THE WORLD HAS NEVER KNOWN!!!!! There exists one 10 digit number with the characteristics below, can you find it???? All ten digits 0,1,2,3,4,5,6,7,8,9 are used exactly once to make the number. The first digit (from the left) is divisible by 1. The first 2 digits make a number divisible by 2. The first 3 digits make a number divisible by 3. The first 4 digits make a number divisible by 4. The first 5 digits make a number divisible by 5. The first 6 digits make a number divisible by 6. The first 7 digits make a number divisible by 7. The first 8 digits make a number divisible by 8. The first 9 digits make a number divisible by 9. All 10 digits make a number which is divisible by 10. For example, look at the number 3217490658 which uses all 10 digits one each. 3 is divisible by 1 : So that works 32 is divisible by 2 : So that works 321 is divisible by 3 : So that works 3217 is not divisible by 4 : SO 3217490658 is not the number we are looking for. GOOD LUCK!