Base | Representation |
---|---|
bin | 101010100010010… |
… | …0100011111100101 |
3 | 10200110122101120211 |
4 | 1111010210133211 |
5 | 10410334331123 |
6 | 353343055421 |
7 | 50240343664 |
oct | 12504443745 |
9 | 3613571524 |
10 | 1427261413 |
11 | 672719696 |
12 | 339ba1571 |
13 | 1999050a6 |
14 | d77aaddb |
15 | 8547c40d |
hex | 551247e5 |
1427261413 has 2 divisors, whose sum is σ = 1427261414. Its totient is φ = 1427261412.
The previous prime is 1427261357. The next prime is 1427261417. The reversal of 1427261413 is 3141627241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1425968644 + 1292769 = 37762^2 + 1137^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1427261413 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1427261417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713630706 + 713630707.
It is an arithmetic number, because the mean of its divisors is an integer number (713630707).
Almost surely, 21427261413 is an apocalyptic number.
It is an amenable number.
1427261413 is a deficient number, since it is larger than the sum of its proper divisors (1).
1427261413 is an equidigital number, since it uses as much as digits as its factorization.
1427261413 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8064, while the sum is 31.
The square root of 1427261413 is about 37779.1134491004. The cubic root of 1427261413 is about 1125.9035146323.
Adding to 1427261413 its reverse (3141627241), we get a palindrome (4568888654).
The spelling of 1427261413 in words is "one billion, four hundred twenty-seven million, two hundred sixty-one thousand, four hundred thirteen".
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