Base | Representation |
---|---|
bin | 10001001010110… |
… | …01101001110011 |
3 | 101001000002020000 |
4 | 20211121221303 |
5 | 243332202011 |
6 | 22142521043 |
7 | 3366111411 |
oct | 1045315163 |
9 | 331002200 |
10 | 144022131 |
11 | 74329a60 |
12 | 40296183 |
13 | 23ab7cc6 |
14 | 151b02b1 |
15 | c99d356 |
hex | 8959a73 |
144022131 has 20 divisors (see below), whose sum is σ = 234704184. Its totient is φ = 87285600.
The previous prime is 144022129. The next prime is 144022133. The reversal of 144022131 is 131220441.
144022131 is a `hidden beast` number, since 1 + 440 + 221 + 3 + 1 = 666.
144022131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (144022129) and next prime (144022133).
It is not a de Polignac number, because 144022131 - 21 = 144022129 is a prime.
It is a super-2 number, since 2×1440221312 = 41484748435562322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (144022133) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79930 + ... + 81711.
Almost surely, 2144022131 is an apocalyptic number.
144022131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144022131 is a deficient number, since it is larger than the sum of its proper divisors (90682053).
144022131 is a wasteful number, since it uses less digits than its factorization.
144022131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161664 (or 161655 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 144022131 is about 12000.9220895730. The cubic root of 144022131 is about 524.1751291458.
Adding to 144022131 its reverse (131220441), we get a palindrome (275242572).
The spelling of 144022131 in words is "one hundred forty-four million, twenty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •