It is: 51,800,000,000 = 5.18*10^10 in standard form
5.18 = 518/100 = 259/50
158
518
518 = 51,800%
169 octillion, 518 septillion, 829 sextillion, 100 cuintillion, 544 quadrillion (0 trillion, 0 billion, 0 million, 0 thousand, 0)
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. If it does not contain a fractional part then the decimal representation does not require a decimal point. So the decimal for -518 is -518 – exactly as in the question.
The factors of 518 are: 1 2 7 14 37 74 259 518
20% of 518 = 103.6
518+475 = 993
518 x 7 = 3626
They are 37*7*2 = 518
518 is only divisible by 2