Base | Representation |
---|---|
bin | 1111011011110001110… |
… | …01111001011110111011 |
3 | 1212200211011201211102012 |
4 | 13231320321321132323 |
5 | 32142033202432422 |
6 | 1043342031200135 |
7 | 53212363463243 |
oct | 7557071713673 |
9 | 1780734654365 |
10 | 530309420987 |
11 | 1949a2930055 |
12 | 8693b67604b |
13 | 3b01465bac8 |
14 | 1b94a7b4b23 |
15 | dbdb9cc4e2 |
hex | 7b78e797bb |
530309420987 has 8 divisors (see below), whose sum is σ = 531180936000. Its totient is φ = 529438109704.
The previous prime is 530309420959. The next prime is 530309421007. The reversal of 530309420987 is 789024903035.
It is a happy number.
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 530309420987 - 218 = 530309158843 is a prime.
It is a super-3 number, since 3×5303094209873 (a number of 36 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (530309420287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5686388 + ... + 5778894.
It is an arithmetic number, because the mean of its divisors is an integer number (66397617000).
Almost surely, 2530309420987 is an apocalyptic number.
530309420987 is a deficient number, since it is larger than the sum of its proper divisors (871515013).
530309420987 is an equidigital number, since it uses as much as digits as its factorization.
530309420987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101865.
The product of its (nonzero) digits is 1632960, while the sum is 50.
The spelling of 530309420987 in words is "five hundred thirty billion, three hundred nine million, four hundred twenty thousand, nine hundred eighty-seven".
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