Base | Representation |
---|---|
bin | 1000001001100… |
… | …11010110101101 |
3 | 11202122102222100 |
4 | 10010303112231 |
5 | 120000232124 |
6 | 10441205313 |
7 | 1460055000 |
oct | 404632655 |
9 | 152572870 |
10 | 68367789 |
11 | 35656806 |
12 | 1aa90839 |
13 | 11219919 |
14 | 9119537 |
15 | 60071c9 |
hex | 41335ad |
68367789 has 24 divisors (see below), whose sum is σ = 115169600. Its totient is φ = 39065544.
The previous prime is 68367779. The next prime is 68367791. The reversal of 68367789 is 98776386.
It is not a de Polignac number, because 68367789 - 24 = 68367773 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68367769) 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 23 ways as a sum of consecutive naturals, for example, 7987 + ... + 14160.
Almost surely, 268367789 is an apocalyptic number.
It is an amenable number.
68367789 is a deficient number, since it is larger than the sum of its proper divisors (46801811).
68367789 is a wasteful number, since it uses less digits than its factorization.
68367789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22174 (or 22157 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 54.
The square root of 68367789 is about 8268.4816623126. The cubic root of 68367789 is about 408.9000638579.
The spelling of 68367789 in words is "sixty-eight million, three hundred sixty-seven thousand, seven hundred eighty-nine".
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