Base | Representation |
---|---|
bin | 111100110101010… |
… | …011101001010001 |
3 | 2122010110012200101 |
4 | 330311103221101 |
5 | 4042233411212 |
6 | 245135052401 |
7 | 34202005531 |
oct | 7465235121 |
9 | 2563405611 |
10 | 1020607057 |
11 | 484119208 |
12 | 245971101 |
13 | 1335a3a02 |
14 | 997934c1 |
15 | 5e902157 |
hex | 3cd53a51 |
1020607057 has 2 divisors, whose sum is σ = 1020607058. Its totient is φ = 1020607056.
The previous prime is 1020607051. The next prime is 1020607067. The reversal of 1020607057 is 7507060201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 867243601 + 153363456 = 29449^2 + 12384^2 .
It is an emirp because it is prime and its reverse (7507060201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1020607057 - 27 = 1020606929 is a prime.
It is not a weakly prime, because it can be changed into another prime (1020607051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510303528 + 510303529.
It is an arithmetic number, because the mean of its divisors is an integer number (510303529).
Almost surely, 21020607057 is an apocalyptic number.
It is an amenable number.
1020607057 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020607057 is an equidigital number, since it uses as much as digits as its factorization.
1020607057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2940, while the sum is 28.
The square root of 1020607057 is about 31946.9412776873. The cubic root of 1020607057 is about 1006.8223684405.
Adding to 1020607057 its reverse (7507060201), we get a palindrome (8527667258).
The spelling of 1020607057 in words is "one billion, twenty million, six hundred seven thousand, fifty-seven".
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