Base | Representation |
---|---|
bin | 100111001000110… |
… | …0100110101111011 |
3 | 10101112002000011200 |
4 | 1032101210311323 |
5 | 10142141331303 |
6 | 334151025243 |
7 | 44354162325 |
oct | 11621446573 |
9 | 3345060150 |
10 | 1313230203 |
11 | 61431431a |
12 | 30796b223 |
13 | 17c0babbc |
14 | c65a6615 |
15 | 7a4553a3 |
hex | 4e464d7b |
1313230203 has 6 divisors (see below), whose sum is σ = 1896888084. Its totient is φ = 875486796.
The previous prime is 1313230199. The next prime is 1313230207. The reversal of 1313230203 is 3020323131.
It is an interprime number because it is at equal distance from previous prime (1313230199) and next prime (1313230207).
It is not a de Polignac number, because 1313230203 - 22 = 1313230199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1313230207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72957225 + ... + 72957242.
It is an arithmetic number, because the mean of its divisors is an integer number (316148014).
Almost surely, 21313230203 is an apocalyptic number.
1313230203 is a deficient number, since it is larger than the sum of its proper divisors (583657881).
1313230203 is a wasteful number, since it uses less digits than its factorization.
1313230203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145914473 (or 145914470 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1313230203 is about 36238.5182230179. The cubic root of 1313230203 is about 1095.0827910129.
Adding to 1313230203 its reverse (3020323131), we get a palindrome (4333553334).
The spelling of 1313230203 in words is "one billion, three hundred thirteen million, two hundred thirty thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.370 sec. • engine limits •