Base | Representation |
---|---|
bin | 10011111011111010011… |
… | …01011110111101010101 |
3 | 2102111002212021011201211 |
4 | 21331331031132331111 |
5 | 42210340111033431 |
6 | 1242403533421421 |
7 | 100326644032114 |
oct | 11757515367525 |
9 | 2374085234654 |
10 | 685000486741 |
11 | 244563a0a34a |
12 | b091133a871 |
13 | 4c797a615cc |
14 | 252231a9c7b |
15 | 12c4233c2b1 |
hex | 9f7d35ef55 |
685000486741 has 2 divisors, whose sum is σ = 685000486742. Its totient is φ = 685000486740.
The previous prime is 685000486631. The next prime is 685000486817. The reversal of 685000486741 is 147684000586.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 608688634225 + 76311852516 = 780185^2 + 276246^2 .
It is a cyclic number.
It is not a de Polignac number, because 685000486741 - 219 = 684999962453 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (685000487741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342500243370 + 342500243371.
It is an arithmetic number, because the mean of its divisors is an integer number (342500243371).
Almost surely, 2685000486741 is an apocalyptic number.
It is an amenable number.
685000486741 is a deficient number, since it is larger than the sum of its proper divisors (1).
685000486741 is an equidigital number, since it uses as much as digits as its factorization.
685000486741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1290240, while the sum is 49.
The spelling of 685000486741 in words is "six hundred eighty-five billion, four hundred eighty-six thousand, seven hundred forty-one".
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