Base | Representation |
---|---|
bin | 10001000001011… |
… | …11101000000101 |
3 | 100221201001201020 |
4 | 20200233220011 |
5 | 243024121123 |
6 | 22100421353 |
7 | 3352535436 |
oct | 1040575005 |
9 | 327631636 |
10 | 142801413 |
11 | 736758a7 |
12 | 3b9a7859 |
13 | 2377b4a1 |
14 | 14d7348d |
15 | c80b7e3 |
hex | 882fa05 |
142801413 has 4 divisors (see below), whose sum is σ = 190401888. Its totient is φ = 95200940.
The previous prime is 142801403. The next prime is 142801429. The reversal of 142801413 is 314108241.
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.
It is a cyclic number.
It is not a de Polignac number, because 142801413 - 26 = 142801349 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142801403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23800233 + ... + 23800238.
It is an arithmetic number, because the mean of its divisors is an integer number (47600472).
Almost surely, 2142801413 is an apocalyptic number.
It is an amenable number.
142801413 is a deficient number, since it is larger than the sum of its proper divisors (47600475).
142801413 is an equidigital number, since it uses as much as digits as its factorization.
142801413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47600474.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 142801413 is about 11949.9545187419. The cubic root of 142801413 is about 522.6899722051.
Adding to 142801413 its reverse (314108241), we get a palindrome (456909654).
The spelling of 142801413 in words is "one hundred forty-two million, eight hundred one thousand, four hundred thirteen".
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