Base | Representation |
---|---|
bin | 1111011100001010010… |
… | …11011000001111100100 |
3 | 1212201100112012002111200 |
4 | 13232011023120033210 |
5 | 32142443411030040 |
6 | 1043414304402500 |
7 | 53220443621154 |
oct | 7560513301744 |
9 | 1781315162450 |
10 | 530515330020 |
11 | 194a99089605 |
12 | 86998616430 |
13 | 3b048204880 |
14 | 1b969c94764 |
15 | dbeeb02630 |
hex | 7b852d83e4 |
530515330020 has 72 divisors (see below), whose sum is σ = 1733016752376. Its totient is φ = 130588388352.
The previous prime is 530515329997. The next prime is 530515330021. The reversal of 530515330020 is 20033515035.
530515330020 is a `hidden beast` number, since 5 + 305 + 1 + 5 + 330 + 0 + 20 = 666.
530515330020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 129013145856 + 401502184164 = 359184^2 + 633642^2 .
It is not an unprimeable number, because it can be changed into a prime (530515330021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113355637 + ... + 113360316.
Almost surely, 2530515330020 is an apocalyptic number.
It is an amenable number.
530515330020 is an abundant number, since it is smaller than the sum of its proper divisors (1202501422356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530515330020 is a wasteful number, since it uses less digits than its factorization.
530515330020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226715981 (or 226715976 counting only the distinct ones).
The product of its (nonzero) digits is 6750, while the sum is 27.
Adding to 530515330020 its reverse (20033515035), we get a palindrome (550548845055).
The spelling of 530515330020 in words is "five hundred thirty billion, five hundred fifteen million, three hundred thirty thousand, twenty".
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