Base | Representation |
---|---|
bin | 1000010010010001100… |
… | …0001100011110111101 |
3 | 111121102012210202202221 |
4 | 2010210120030132331 |
5 | 4313010111240013 |
6 | 145220403045341 |
7 | 13166265050251 |
oct | 2044430143675 |
9 | 447365722687 |
10 | 142344243133 |
11 | 55405683764 |
12 | 23706970851 |
13 | 10566458101 |
14 | 6c64ad6261 |
15 | 3a8193208d |
hex | 212460c7bd |
142344243133 has 8 divisors (see below), whose sum is σ = 147863679480. Its totient is φ = 136865541120.
The previous prime is 142344243127. The next prime is 142344243199. The reversal of 142344243133 is 331342443241.
It can be written as a sum of positive squares in 4 ways, for example, as 79344749124 + 62999494009 = 281682^2 + 250997^2 .
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 142344243133 - 25 = 142344243101 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 (142344243113) 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 7 ways as a sum of consecutive naturals, for example, 10176460 + ... + 10190437.
It is an arithmetic number, because the mean of its divisors is an integer number (18482959935).
Almost surely, 2142344243133 is an apocalyptic number.
It is an amenable number.
142344243133 is a deficient number, since it is larger than the sum of its proper divisors (5519436347).
142344243133 is a wasteful number, since it uses less digits than its factorization.
142344243133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20367167.
The product of its digits is 82944, while the sum is 34.
Adding to 142344243133 its reverse (331342443241), we get a palindrome (473686686374).
The spelling of 142344243133 in words is "one hundred forty-two billion, three hundred forty-four million, two hundred forty-three thousand, one hundred thirty-three".
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