Base | Representation |
---|---|
bin | 1000000111110… |
… | …10010110101111 |
3 | 11202012120201022 |
4 | 10003322112233 |
5 | 114420244234 |
6 | 10432204355 |
7 | 1455063221 |
oct | 403722657 |
9 | 152176638 |
10 | 68134319 |
11 | 35507360 |
12 | 1a9996bb |
13 | 11167586 |
14 | 9098411 |
15 | 5eace2e |
hex | 40fa5af |
68134319 has 4 divisors (see below), whose sum is σ = 74328360. Its totient is φ = 61940280.
The previous prime is 68134307. The next prime is 68134327. The reversal of 68134319 is 91343186.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68134319 - 216 = 68068783 is a prime.
It is a super-2 number, since 2×681343192 = 9284570851187522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68134379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097004 + ... + 3097025.
It is an arithmetic number, because the mean of its divisors is an integer number (18582090).
Almost surely, 268134319 is an apocalyptic number.
68134319 is a deficient number, since it is larger than the sum of its proper divisors (6194041).
68134319 is a wasteful number, since it uses less digits than its factorization.
68134319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6194040.
The product of its digits is 15552, while the sum is 35.
The square root of 68134319 is about 8254.3515190474. The cubic root of 68134319 is about 408.4340804118.
The spelling of 68134319 in words is "sixty-eight million, one hundred thirty-four thousand, three hundred nineteen".
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