Base | Representation |
---|---|
bin | 1000001100100… |
… | …11100011011110 |
3 | 11210101110111011 |
4 | 10012103203132 |
5 | 120100334242 |
6 | 10453445434 |
7 | 1463315533 |
oct | 406234336 |
9 | 153343434 |
10 | 68761822 |
11 | 358a5858 |
12 | 1b04087a |
13 | 1132708c |
14 | 91bcd8a |
15 | 6083d17 |
hex | 41938de |
68761822 has 4 divisors (see below), whose sum is σ = 103142736. Its totient is φ = 34380910.
The previous prime is 68761811. The next prime is 68761831. The reversal of 68761822 is 22816786.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22816786 = 2 ⋅11408393.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 17190454 + ... + 17190457.
It is an arithmetic number, because the mean of its divisors is an integer number (25785684).
Almost surely, 268761822 is an apocalyptic number.
68761822 is a deficient number, since it is larger than the sum of its proper divisors (34380914).
68761822 is a wasteful number, since it uses less digits than its factorization.
68761822 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34380913.
The product of its digits is 64512, while the sum is 40.
The square root of 68761822 is about 8292.2748386676. The cubic root of 68761822 is about 409.6841152056.
The spelling of 68761822 in words is "sixty-eight million, seven hundred sixty-one thousand, eight hundred twenty-two".
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