Base | Representation |
---|---|
bin | 10010000100010… |
… | …110101000000101 |
3 | 210010101122202022 |
4 | 102010112220011 |
5 | 1110100144031 |
6 | 50025052525 |
7 | 10340400155 |
oct | 2204265005 |
9 | 703348668 |
10 | 303131141 |
11 | 146122a05 |
12 | 85627145 |
13 | 4aa56051 |
14 | 2c38a765 |
15 | 1b92b97b |
hex | 12116a05 |
303131141 has 4 divisors (see below), whose sum is σ = 305138784. Its totient is φ = 301123500.
The previous prime is 303131117. The next prime is 303131159. The reversal of 303131141 is 141131303.
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 an emirpimes, since its reverse is a distinct semiprime: 141131303 = 2153 ⋅65551.
It is a cyclic number.
It is not a de Polignac number, because 303131141 - 210 = 303130117 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 (303121141) 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, 1003595 + ... + 1003896.
It is an arithmetic number, because the mean of its divisors is an integer number (76284696).
Almost surely, 2303131141 is an apocalyptic number.
It is an amenable number.
303131141 is a deficient number, since it is larger than the sum of its proper divisors (2007643).
303131141 is a wasteful number, since it uses less digits than its factorization.
303131141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2007642.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 303131141 is about 17410.6617048290. The cubic root of 303131141 is about 671.7538818156.
Adding to 303131141 its reverse (141131303), we get a palindrome (444262444).
The spelling of 303131141 in words is "three hundred three million, one hundred thirty-one thousand, one hundred forty-one".
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