Base | Representation |
---|---|
bin | 1100110010110101… |
… | …10010010011000111 |
3 | 122201201001102122221 |
4 | 12121122302103013 |
5 | 103031414344421 |
6 | 3053332233211 |
7 | 332134466410 |
oct | 63132622307 |
9 | 18651042587 |
10 | 6868903111 |
11 | 2a05353634 |
12 | 13b846b807 |
13 | 8560c5115 |
14 | 492392807 |
15 | 2a3070841 |
hex | 1996b24c7 |
6868903111 has 4 divisors (see below), whose sum is σ = 7850174992. Its totient is φ = 5887631232.
The previous prime is 6868903087. The next prime is 6868903117. The reversal of 6868903111 is 1113098686.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 6868903111 - 25 = 6868903079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6868903117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490635930 + ... + 490635943.
It is an arithmetic number, because the mean of its divisors is an integer number (1962543748).
Almost surely, 26868903111 is an apocalyptic number.
6868903111 is a deficient number, since it is larger than the sum of its proper divisors (981271881).
6868903111 is an equidigital number, since it uses as much as digits as its factorization.
6868903111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 981271880.
The product of its (nonzero) digits is 62208, while the sum is 43.
The square root of 6868903111 is about 82878.8459801414. The cubic root of 6868903111 is about 1900.9139749529.
The spelling of 6868903111 in words is "six billion, eight hundred sixty-eight million, nine hundred three thousand, one hundred eleven".
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