Base | Representation |
---|---|
bin | 100110110111011… |
… | …1010001000010011 |
3 | 10100212222021222201 |
4 | 1031232322020103 |
5 | 10132330023410 |
6 | 333224144031 |
7 | 44214012205 |
oct | 11556721023 |
9 | 3325867881 |
10 | 1304142355 |
11 | 60a1774aa |
12 | 304908017 |
13 | 17a258589 |
14 | c52bc775 |
15 | 7975c83a |
hex | 4dbba213 |
1304142355 has 4 divisors (see below), whose sum is σ = 1564970832. Its totient is φ = 1043313880.
The previous prime is 1304142353. The next prime is 1304142373. The reversal of 1304142355 is 5532414031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5532414031 = 14327 ⋅386153.
It is not a de Polignac number, because 1304142355 - 21 = 1304142353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1304142353) 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, 130414231 + ... + 130414240.
It is an arithmetic number, because the mean of its divisors is an integer number (391242708).
Almost surely, 21304142355 is an apocalyptic number.
1304142355 is a deficient number, since it is larger than the sum of its proper divisors (260828477).
1304142355 is an equidigital number, since it uses as much as digits as its factorization.
1304142355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260828476.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 1304142355 is about 36112.9111953052. The cubic root of 1304142355 is about 1092.5508685407.
Adding to 1304142355 its reverse (5532414031), we get a palindrome (6836556386).
The spelling of 1304142355 in words is "one billion, three hundred four million, one hundred forty-two thousand, three hundred fifty-five".
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