Base | Representation |
---|---|
bin | 1100101010100000… |
… | …00100101010010000 |
3 | 122112211111021020120 |
4 | 12111100010222100 |
5 | 102411020021442 |
6 | 3042353510240 |
7 | 330325266150 |
oct | 62520045220 |
9 | 18484437216 |
10 | 6798985872 |
11 | 2979939798 |
12 | 1398b72380 |
13 | 844785183 |
14 | 486d92760 |
15 | 29bd5e4ec |
hex | 195404a90 |
6798985872 has 40 divisors (see below), whose sum is σ = 20073197376. Its totient is φ = 1942567296.
The previous prime is 6798985871. The next prime is 6798986003. The reversal of 6798985872 is 2785898976.
It is a junction number, because it is equal to n+sod(n) for n = 6798985797 and 6798985806.
It is not an unprimeable number, because it can be changed into a prime (6798985871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10117203 + ... + 10117874.
Almost surely, 26798985872 is an apocalyptic number.
It is an amenable number.
6798985872 is an abundant number, since it is smaller than the sum of its proper divisors (13274211504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6798985872 is a wasteful number, since it uses less digits than its factorization.
6798985872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20235095 (or 20235089 counting only the distinct ones).
The product of its digits is 121927680, while the sum is 69.
The square root of 6798985872 is about 82455.9632288654. The cubic root of 6798985872 is about 1894.4422881951.
The spelling of 6798985872 in words is "six billion, seven hundred ninety-eight million, nine hundred eighty-five thousand, eight hundred seventy-two".
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