Base | Representation |
---|---|
bin | 10111110101111… |
… | …00001010001111 |
3 | 111221100001121201 |
4 | 23322330022033 |
5 | 402200001033 |
6 | 31502410331 |
7 | 4645654540 |
oct | 1372741217 |
9 | 457301551 |
10 | 200000143 |
11 | a2993082 |
12 | 56b909a7 |
13 | 325873a5 |
14 | 1c7c24c7 |
15 | 1285947d |
hex | bebc28f |
200000143 has 4 divisors (see below), whose sum is σ = 228571600. Its totient is φ = 171428688.
The previous prime is 200000131. The next prime is 200000161. The reversal of 200000143 is 341000002.
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 200000143 - 213 = 199991951 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 (200000123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14285718 + ... + 14285731.
It is an arithmetic number, because the mean of its divisors is an integer number (57142900).
Almost surely, 2200000143 is an apocalyptic number.
200000143 is a deficient number, since it is larger than the sum of its proper divisors (28571457).
200000143 is an equidigital number, since it uses as much as digits as its factorization.
200000143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28571456.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 200000143 is about 14142.1406795435. The cubic root of 200000143 is about 584.8036870207.
Adding to 200000143 its reverse (341000002), we get a palindrome (541000145).
The spelling of 200000143 in words is "two hundred million, one hundred forty-three", and thus it is an aban number.
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