Base | Representation |
---|---|
bin | 1000000110111… |
… | …00100110110011 |
3 | 11201222101120021 |
4 | 10003130212303 |
5 | 114402344332 |
6 | 10425424311 |
7 | 1454045035 |
oct | 403344663 |
9 | 151871507 |
10 | 68012467 |
11 | 35433856 |
12 | 1a93b097 |
13 | 11123c83 |
14 | 9065c55 |
15 | 5e86c97 |
hex | 40dc9b3 |
68012467 has 4 divisors (see below), whose sum is σ = 68304600. Its totient is φ = 67720336.
The previous prime is 68012411. The next prime is 68012507. The reversal of 68012467 is 76421086.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68012467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68013467) 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 3 ways as a sum of consecutive naturals, for example, 145717 + ... + 146182.
It is an arithmetic number, because the mean of its divisors is an integer number (17076150).
Almost surely, 268012467 is an apocalyptic number.
68012467 is a deficient number, since it is larger than the sum of its proper divisors (292133).
68012467 is a wasteful number, since it uses less digits than its factorization.
68012467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292132.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 68012467 is about 8246.9671395004. The cubic root of 68012467 is about 408.1904527823.
The spelling of 68012467 in words is "sixty-eight million, twelve thousand, four hundred sixty-seven".
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