Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0111111010011000001 |
3 | 110110011001011120101010 |
4 | 1321102120333103001 |
5 | 4113203203120223 |
6 | 135454420431133 |
7 | 12260152540131 |
oct | 1712230772301 |
9 | 413131146333 |
10 | 130231301313 |
11 | 5025a1a1243 |
12 | 212a62484a9 |
13 | c385a9b209 |
14 | 64360b8ac1 |
15 | 35c3302393 |
hex | 1e5263f4c1 |
130231301313 has 4 divisors (see below), whose sum is σ = 173641735088. Its totient is φ = 86820867540.
The previous prime is 130231301281. The next prime is 130231301353. The reversal of 130231301313 is 313103132031.
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: 313103132031 = 3 ⋅104367710677.
It is not a de Polignac number, because 130231301313 - 25 = 130231301281 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 130231301313.
It is not an unprimeable number, because it can be changed into a prime (130231301353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21705216883 + ... + 21705216888.
It is an arithmetic number, because the mean of its divisors is an integer number (43410433772).
Almost surely, 2130231301313 is an apocalyptic number.
It is an amenable number.
130231301313 is a deficient number, since it is larger than the sum of its proper divisors (43410433775).
130231301313 is an equidigital number, since it uses as much as digits as its factorization.
130231301313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43410433774.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 130231301313 its reverse (313103132031), we get a palindrome (443334433344).
The spelling of 130231301313 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred one thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •