Base | Representation |
---|---|
bin | 1111100000111… |
… | …10000010011101 |
3 | 100001220010101022 |
4 | 13300132002131 |
5 | 231304141321 |
6 | 20525253525 |
7 | 3140140514 |
oct | 760360235 |
9 | 301803338 |
10 | 130146461 |
11 | 67511a65 |
12 | 377042a5 |
13 | 20c6a353 |
14 | 133db67b |
15 | b65bdab |
hex | 7c1e09d |
130146461 has 4 divisors (see below), whose sum is σ = 134634300. Its totient is φ = 125658624.
The previous prime is 130146451. The next prime is 130146491. The reversal of 130146461 is 164641031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 35940025 + 94206436 = 5995^2 + 9706^2 .
It is not a de Polignac number, because 130146461 - 218 = 129884317 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130146461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130146451) 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, 2243876 + ... + 2243933.
It is an arithmetic number, because the mean of its divisors is an integer number (33658575).
Almost surely, 2130146461 is an apocalyptic number.
It is an amenable number.
130146461 is a deficient number, since it is larger than the sum of its proper divisors (4487839).
130146461 is an equidigital number, since it uses as much as digits as its factorization.
130146461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4487838.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 130146461 is about 11408.1751827363. The cubic root of 130146461 is about 506.7698719721.
Adding to 130146461 its reverse (164641031), we get a palindrome (294787492).
The spelling of 130146461 in words is "one hundred thirty million, one hundred forty-six thousand, four hundred sixty-one".
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