Base | Representation |
---|---|
bin | 1000010010001010000… |
… | …1100011011111100001 |
3 | 111121100001021200101001 |
4 | 2010202201203133201 |
5 | 4312424131022431 |
6 | 145213332312001 |
7 | 13165436515144 |
oct | 2044241433741 |
9 | 447301250331 |
10 | 142313142241 |
11 | 5539a071146 |
12 | 236b8472601 |
13 | 1055cb8900a |
14 | 6c6091c05b |
15 | 3a7dd3be61 |
hex | 21228637e1 |
142313142241 has 4 divisors (see below), whose sum is σ = 142314188800. Its totient is φ = 142312095684.
The previous prime is 142313142149. The next prime is 142313142271. The reversal of 142313142241 is 142241313241.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 142241313241 = 17 ⋅8367136073.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142313142241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142313142271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282321 + ... + 603598.
It is an arithmetic number, because the mean of its divisors is an integer number (35578547200).
Almost surely, 2142313142241 is an apocalyptic number.
It is an amenable number.
142313142241 is a deficient number, since it is larger than the sum of its proper divisors (1046559).
142313142241 is an equidigital number, since it uses as much as digits as its factorization.
142313142241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046558.
The product of its digits is 4608, while the sum is 28.
Adding to 142313142241 its reverse (142241313241), we get a palindrome (284554455482).
The spelling of 142313142241 in words is "one hundred forty-two billion, three hundred thirteen million, one hundred forty-two thousand, two hundred forty-one".
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