Base | Representation |
---|---|
bin | 11110100010101… |
… | …100100101101101 |
3 | 1022201012020010201 |
4 | 132202230211231 |
5 | 2022134141023 |
6 | 122502433501 |
7 | 15461300401 |
oct | 3642544555 |
9 | 1281166121 |
10 | 512412013 |
11 | 243274803 |
12 | 123732891 |
13 | 8220c799 |
14 | 4c0a7101 |
15 | 2eebabad |
hex | 1e8ac96d |
512412013 has 2 divisors, whose sum is σ = 512412014. Its totient is φ = 512412012.
The previous prime is 512411983. The next prime is 512412053. The reversal of 512412013 is 310214215.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 307721764 + 204690249 = 17542^2 + 14307^2 .
It is a cyclic number.
It is not a de Polignac number, because 512412013 - 25 = 512411981 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (512412053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256206006 + 256206007.
It is an arithmetic number, because the mean of its divisors is an integer number (256206007).
Almost surely, 2512412013 is an apocalyptic number.
It is an amenable number.
512412013 is a deficient number, since it is larger than the sum of its proper divisors (1).
512412013 is an equidigital number, since it uses as much as digits as its factorization.
512412013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 512412013 is about 22636.5194541917. The cubic root of 512412013 is about 800.2145325687.
Adding to 512412013 its reverse (310214215), we get a palindrome (822626228).
The spelling of 512412013 in words is "five hundred twelve million, four hundred twelve thousand, thirteen".
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