Base | Representation |
---|---|
bin | 101001011001111… |
… | …0111001010101001 |
3 | 10120211021010101012 |
4 | 1102303313022221 |
5 | 10321131431032 |
6 | 345510033305 |
7 | 46300041041 |
oct | 12263671251 |
9 | 3524233335 |
10 | 1389327017 |
11 | 653269a51 |
12 | 329348835 |
13 | 191ab27c0 |
14 | d2734721 |
15 | 81e876b2 |
hex | 52cf72a9 |
1389327017 has 8 divisors (see below), whose sum is σ = 1501603656. Its totient is φ = 1277822592.
The previous prime is 1389326999. The next prime is 1389327047. The reversal of 1389327017 is 7107239831.
It can be written as a sum of positive squares in 4 ways, for example, as 54228496 + 1335098521 = 7364^2 + 36539^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1389327017 - 28 = 1389326761 is a prime.
It is a super-2 number, since 2×13893270172 = 3860459120332236578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1389327047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189308 + ... + 196509.
It is an arithmetic number, because the mean of its divisors is an integer number (187700457).
Almost surely, 21389327017 is an apocalyptic number.
It is an amenable number.
1389327017 is a deficient number, since it is larger than the sum of its proper divisors (112276639).
1389327017 is a wasteful number, since it uses less digits than its factorization.
1389327017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386107.
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 1389327017 is about 37273.6772669400. The cubic root of 1389327017 is about 1115.8388900938.
The spelling of 1389327017 in words is "one billion, three hundred eighty-nine million, three hundred twenty-seven thousand, seventeen".
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