Base | Representation |
---|---|
bin | 110000010110101… |
… | …111100110000101 |
3 | 2002112112201010221 |
4 | 300112233212011 |
5 | 3130141042420 |
6 | 212300144341 |
7 | 26050445146 |
oct | 6026574605 |
9 | 2075481127 |
10 | 811268485 |
11 | 386a38025 |
12 | 1a78380b1 |
13 | cc0c9c31 |
14 | 79a5dacd |
15 | 4b350caa |
hex | 305af985 |
811268485 has 8 divisors (see below), whose sum is σ = 973769976. Its totient is φ = 648849600.
The previous prime is 811268429. The next prime is 811268503. The reversal of 811268485 is 584862118.
811268485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 101124 + 811167361 = 318^2 + 28481^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 811268485 - 225 = 777714053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535 + ... + 40435.
It is an arithmetic number, because the mean of its divisors is an integer number (121721247).
Almost surely, 2811268485 is an apocalyptic number.
It is an amenable number.
811268485 is a deficient number, since it is larger than the sum of its proper divisors (162501491).
811268485 is a wasteful number, since it uses less digits than its factorization.
811268485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41303.
The product of its digits is 122880, while the sum is 43.
The square root of 811268485 is about 28482.7752334635. The cubic root of 811268485 is about 932.6561001962.
The spelling of 811268485 in words is "eight hundred eleven million, two hundred sixty-eight thousand, four hundred eighty-five".
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