Base | Representation |
---|---|
bin | 10100001001000101… |
… | …11010010011000001 |
3 | 1000220121211210120200 |
4 | 22010202322103001 |
5 | 134121300210120 |
6 | 4545010355413 |
7 | 531654516210 |
oct | 120442722301 |
9 | 30817753520 |
10 | 10813678785 |
11 | 464a048a18 |
12 | 211958bb69 |
13 | 103444c500 |
14 | 74824d077 |
15 | 434537e90 |
hex | 2848ba4c1 |
10813678785 has 144 divisors (see below), whose sum is σ = 23530860288. Its totient is φ = 4497292800.
The previous prime is 10813678763. The next prime is 10813678789. The reversal of 10813678785 is 58787631801.
It is a happy number.
It is not a de Polignac number, because 10813678785 - 210 = 10813677761 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10813678789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3778255 + ... + 3781115.
It is an arithmetic number, because the mean of its divisors is an integer number (163408752).
Almost surely, 210813678785 is an apocalyptic number.
10813678785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10813678785 is an abundant number, since it is smaller than the sum of its proper divisors (12717181503).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10813678785 is a wasteful number, since it uses less digits than its factorization.
10813678785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2976 (or 2960 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 54.
The spelling of 10813678785 in words is "ten billion, eight hundred thirteen million, six hundred seventy-eight thousand, seven hundred eighty-five".
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