Base | Representation |
---|---|
bin | 1000010011001000010… |
… | …1111000101111100001 |
3 | 111122000020202010100122 |
4 | 2010302011320233201 |
5 | 4313443011342310 |
6 | 145255302330025 |
7 | 13205060523101 |
oct | 2046205705741 |
9 | 448006663318 |
10 | 142574324705 |
11 | 5551354241a |
12 | 2376ba29915 |
13 | 105a2015557 |
14 | 6c874a9201 |
15 | 3a96c2e555 |
hex | 2132178be1 |
142574324705 has 4 divisors (see below), whose sum is σ = 171089189652. Its totient is φ = 114059459760.
The previous prime is 142574324701. The next prime is 142574324723. The reversal of 142574324705 is 507423475241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507423475241 = 659 ⋅769990099.
It can be written as a sum of positive squares in 2 ways, for example, as 33735036241 + 108839288464 = 183671^2 + 329908^2 .
It is not a de Polignac number, because 142574324705 - 22 = 142574324701 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142574324701) 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 3 ways as a sum of consecutive naturals, for example, 14257432466 + ... + 14257432475.
It is an arithmetic number, because the mean of its divisors is an integer number (42772297413).
Almost surely, 2142574324705 is an apocalyptic number.
It is an amenable number.
142574324705 is a deficient number, since it is larger than the sum of its proper divisors (28514864947).
142574324705 is an equidigital number, since it uses as much as digits as its factorization.
142574324705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28514864946.
The product of its (nonzero) digits is 940800, while the sum is 44.
Adding to 142574324705 its reverse (507423475241), we get a palindrome (649997799946).
The spelling of 142574324705 in words is "one hundred forty-two billion, five hundred seventy-four million, three hundred twenty-four thousand, seven hundred five".
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