Base | Representation |
---|---|
bin | 1000000110111… |
… | …01000000111111 |
3 | 11201222110212100 |
4 | 10003131000333 |
5 | 114402423033 |
6 | 10425440143 |
7 | 1454052651 |
oct | 403350077 |
9 | 151873770 |
10 | 68014143 |
11 | 3543503a |
12 | 1a940053 |
13 | 11124972 |
14 | 90666d1 |
15 | 5e87513 |
hex | 40dd03f |
68014143 has 6 divisors (see below), whose sum is σ = 98242664. Its totient is φ = 45342756.
The previous prime is 68014139. The next prime is 68014153. The reversal of 68014143 is 34141086.
It is not a de Polignac number, because 68014143 - 22 = 68014139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68014153) 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 5 ways as a sum of consecutive naturals, for example, 3778555 + ... + 3778572.
Almost surely, 268014143 is an apocalyptic number.
68014143 is a deficient number, since it is larger than the sum of its proper divisors (30228521).
68014143 is a wasteful number, since it uses less digits than its factorization.
68014143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7557133 (or 7557130 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 68014143 is about 8247.0687519870. The cubic root of 68014143 is about 408.1938057047.
The spelling of 68014143 in words is "sixty-eight million, fourteen thousand, one hundred forty-three".
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