Base | Representation |
---|---|
bin | 10000111110101… |
… | …01000000000101 |
3 | 100221000012112002 |
4 | 20133111000011 |
5 | 242430231323 |
6 | 22044435045 |
7 | 3346431302 |
oct | 1037250005 |
9 | 327005462 |
10 | 142430213 |
11 | 73441a22 |
12 | 3b848a85 |
13 | 2367b543 |
14 | 14cb80a9 |
15 | c786828 |
hex | 87d5005 |
142430213 has 8 divisors (see below), whose sum is σ = 154763520. Its totient is φ = 130580640.
The previous prime is 142430207. The next prime is 142430219. The reversal of 142430213 is 312034241.
It is an interprime number because it is at equal distance from previous prime (142430207) and next prime (142430219).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142430213 - 26 = 142430149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142430219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120320 + ... + 121497.
It is an arithmetic number, because the mean of its divisors is an integer number (19345440).
Almost surely, 2142430213 is an apocalyptic number.
It is an amenable number.
142430213 is a deficient number, since it is larger than the sum of its proper divisors (12333307).
142430213 is a wasteful number, since it uses less digits than its factorization.
142430213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241867.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 142430213 is about 11934.4129725764. The cubic root of 142430213 is about 522.2366833294.
Adding to 142430213 its reverse (312034241), we get a palindrome (454464454).
The spelling of 142430213 in words is "one hundred forty-two million, four hundred thirty thousand, two hundred thirteen".
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