Base | Representation |
---|---|
bin | 100111001111111010… |
… | …110010011011001111 |
3 | 11000210000111020012220 |
4 | 213033322302123033 |
5 | 1142302102002041 |
6 | 31205450430423 |
7 | 3021225410001 |
oct | 471772623317 |
9 | 130700436186 |
10 | 42143000271 |
11 | 16966696949 |
12 | 8201732413 |
13 | 3c88047768 |
14 | 207b04c371 |
15 | 1169be4d66 |
hex | 9cfeb26cf |
42143000271 has 4 divisors (see below), whose sum is σ = 56190667032. Its totient is φ = 28095333512.
The previous prime is 42143000269. The next prime is 42143000279. The reversal of 42143000271 is 17200034124.
It is a happy number.
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 42143000271 - 21 = 42143000269 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42143000279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7023833376 + ... + 7023833381.
It is an arithmetic number, because the mean of its divisors is an integer number (14047666758).
Almost surely, 242143000271 is an apocalyptic number.
42143000271 is a deficient number, since it is larger than the sum of its proper divisors (14047666761).
42143000271 is a wasteful number, since it uses less digits than its factorization.
42143000271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14047666760.
The product of its (nonzero) digits is 1344, while the sum is 24.
Adding to 42143000271 its reverse (17200034124), we get a palindrome (59343034395).
The spelling of 42143000271 in words is "forty-two billion, one hundred forty-three million, two hundred seventy-one", and thus it is an aban number.
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