Base | Representation |
---|---|
bin | 100111000010101… |
… | …0101001011010011 |
3 | 10101022000221000122 |
4 | 1032011111023103 |
5 | 10140331122212 |
6 | 333554140455 |
7 | 44314663121 |
oct | 11605251323 |
9 | 3338027018 |
10 | 1310020307 |
11 | 612521712 |
12 | 30688172b |
13 | 17b535b5b |
14 | c5dac911 |
15 | 7a01e272 |
hex | 4e1552d3 |
1310020307 has 2 divisors, whose sum is σ = 1310020308. Its totient is φ = 1310020306.
The previous prime is 1310020273. The next prime is 1310020321. The reversal of 1310020307 is 7030200131.
It is a strong prime.
It is an emirp because it is prime and its reverse (7030200131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1310020307 - 214 = 1310003923 is a prime.
It is not a weakly prime, because it can be changed into another prime (1310020007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655010153 + 655010154.
It is an arithmetic number, because the mean of its divisors is an integer number (655010154).
Almost surely, 21310020307 is an apocalyptic number.
1310020307 is a deficient number, since it is larger than the sum of its proper divisors (1).
1310020307 is an equidigital number, since it uses as much as digits as its factorization.
1310020307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 1310020307 is about 36194.2026711461. The cubic root of 1310020307 is about 1094.1898351761.
Adding to 1310020307 its reverse (7030200131), we get a palindrome (8340220438).
The spelling of 1310020307 in words is "one billion, three hundred ten million, twenty thousand, three hundred seven".
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