Base | Representation |
---|---|
bin | 111111011010111… |
… | …111011000110011 |
3 | 2202011011211110102 |
4 | 333122333120303 |
5 | 4134343234422 |
6 | 253330023015 |
7 | 35240122253 |
oct | 7732773063 |
9 | 2664154412 |
10 | 1064039987 |
11 | 4a6693a9a |
12 | 258417a6b |
13 | 13c59cc7a |
14 | a145b963 |
15 | 63631192 |
hex | 3f6bf633 |
1064039987 has 2 divisors, whose sum is σ = 1064039988. Its totient is φ = 1064039986.
The previous prime is 1064039971. The next prime is 1064040011. The reversal of 1064039987 is 7899304601.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1064039987 - 24 = 1064039971 is a prime.
It is a super-2 number, since 2×10640399872 = 2264362187869920338, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1064039917) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532019993 + 532019994.
It is an arithmetic number, because the mean of its divisors is an integer number (532019994).
Almost surely, 21064039987 is an apocalyptic number.
1064039987 is a deficient number, since it is larger than the sum of its proper divisors (1).
1064039987 is an equidigital number, since it uses as much as digits as its factorization.
1064039987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 326592, while the sum is 47.
The square root of 1064039987 is about 32619.6257949106. The cubic root of 1064039987 is about 1020.9065332370.
The spelling of 1064039987 in words is "one billion, sixty-four million, thirty-nine thousand, nine hundred eighty-seven".
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