Base | Representation |
---|---|
bin | 110000110001100… |
… | …110111111000100 |
3 | 2010000210111210211 |
4 | 300301212333010 |
5 | 3133441423413 |
6 | 213111125204 |
7 | 26164346446 |
oct | 6061467704 |
9 | 2100714724 |
10 | 818311108 |
11 | 38aa0827a |
12 | 1aa073804 |
13 | 1006c4674 |
14 | 7a974496 |
15 | 4bc9283d |
hex | 30c66fc4 |
818311108 has 12 divisors (see below), whose sum is σ = 1433470780. Its totient is φ = 408748032.
The previous prime is 818311103. The next prime is 818311121. The reversal of 818311108 is 801113818.
818311108 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 2 ways, for example, as 415425924 + 402885184 = 20382^2 + 20072^2 .
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 818311108.
It is not an unprimeable number, because it can be changed into a prime (818311103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97341 + ... + 105412.
Almost surely, 2818311108 is an apocalyptic number.
It is an amenable number.
818311108 is a deficient number, since it is larger than the sum of its proper divisors (615159672).
818311108 is a wasteful number, since it uses less digits than its factorization.
818311108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203766 (or 203764 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 31.
The square root of 818311108 is about 28606.1375931809. The cubic root of 818311108 is about 935.3471245840.
It can be divided in two parts, 8183 and 11108, that added together give a palindrome (19291).
The spelling of 818311108 in words is "eight hundred eighteen million, three hundred eleven thousand, one hundred eight".
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