Base | Representation |
---|---|
bin | 100111001000011… |
… | …0010000100001111 |
3 | 10101111200102212201 |
4 | 1032100302010033 |
5 | 10142113202343 |
6 | 334142342331 |
7 | 44352335062 |
oct | 11620620417 |
9 | 3344612781 |
10 | 1313022223 |
11 | 614192037 |
12 | 30788a9a7 |
13 | 17c047336 |
14 | c65508d9 |
15 | 7a41394d |
hex | 4e43210f |
1313022223 has 2 divisors, whose sum is σ = 1313022224. Its totient is φ = 1313022222.
The previous prime is 1313022203. The next prime is 1313022233. The reversal of 1313022223 is 3222203131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1313022223 - 29 = 1313021711 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1313022223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1313022203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656511111 + 656511112.
It is an arithmetic number, because the mean of its divisors is an integer number (656511112).
Almost surely, 21313022223 is an apocalyptic number.
1313022223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1313022223 is an equidigital number, since it uses as much as digits as its factorization.
1313022223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1313022223 is about 36235.6485108243. The cubic root of 1313022223 is about 1095.0249775027.
Adding to 1313022223 its reverse (3222203131), we get a palindrome (4535225354).
It can be divided in two parts, 13130 and 22223, that added together give a palindrome (35353).
The spelling of 1313022223 in words is "one billion, three hundred thirteen million, twenty-two thousand, two hundred twenty-three".
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