Base | Representation |
---|---|
bin | 10000111101001… |
… | …00001011000011 |
3 | 100220122001011121 |
4 | 20132210023003 |
5 | 242402331321 |
6 | 22040253111 |
7 | 3344636224 |
oct | 1036441303 |
9 | 326561147 |
10 | 142230211 |
11 | 73315732 |
12 | 3b771197 |
13 | 2360b4b6 |
14 | 14c6524b |
15 | c747441 |
hex | 87a42c3 |
142230211 has 8 divisors (see below), whose sum is σ = 152412624. Its totient is φ = 132249600.
The previous prime is 142230203. The next prime is 142230259. The reversal of 142230211 is 112032241.
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 142230211 - 23 = 142230203 is a prime.
It is a super-2 number, since 2×1422302112 = 40458865842209042, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142230281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48990 + ... + 51811.
It is an arithmetic number, because the mean of its divisors is an integer number (19051578).
Almost surely, 2142230211 is an apocalyptic number.
142230211 is a deficient number, since it is larger than the sum of its proper divisors (10182413).
142230211 is a wasteful number, since it uses less digits than its factorization.
142230211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100901.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 142230211 is about 11926.0308149862. The cubic root of 142230211 is about 521.9921254127.
Adding to 142230211 its reverse (112032241), we get a palindrome (254262452).
The spelling of 142230211 in words is "one hundred forty-two million, two hundred thirty thousand, two hundred eleven".
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