Base | Representation |
---|---|
bin | 1000001001011… |
… | …01100000000011 |
3 | 11202121020002021 |
4 | 10010231200003 |
5 | 114444000221 |
6 | 10440502311 |
7 | 1456625044 |
oct | 404554003 |
9 | 152536067 |
10 | 68343811 |
11 | 3563a798 |
12 | 1aa7a997 |
13 | 1120ba33 |
14 | 91108cb |
15 | 6000041 |
hex | 412d803 |
68343811 has 8 divisors (see below), whose sum is σ = 69120000. Its totient is φ = 67572360.
The previous prime is 68343797. The next prime is 68343829. The reversal of 68343811 is 11834386.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68343811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68343911) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33190 + ... + 35188.
It is an arithmetic number, because the mean of its divisors is an integer number (8640000).
Almost surely, 268343811 is an apocalyptic number.
68343811 is a deficient number, since it is larger than the sum of its proper divisors (776189).
68343811 is a wasteful number, since it uses less digits than its factorization.
68343811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2369.
The product of its digits is 13824, while the sum is 34.
The square root of 68343811 is about 8267.0315712473. The cubic root of 68343811 is about 408.8522550271.
The spelling of 68343811 in words is "sixty-eight million, three hundred forty-three thousand, eight hundred eleven".
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