Base | Representation |
---|---|
bin | 1100100000111110111… |
… | …0101011100011001011 |
3 | 202112222120111111210122 |
4 | 3020033232223203023 |
5 | 12010321114310133 |
6 | 242435242533455 |
7 | 21351130025000 |
oct | 3101756534313 |
9 | 675876444718 |
10 | 215012260043 |
11 | 832058a7389 |
12 | 3580720728b |
13 | 1737756b699 |
14 | a599bb78a7 |
15 | 58d63ab498 |
hex | 320fbab8cb |
215012260043 has 16 divisors (see below), whose sum is σ = 250768881600. Its totient is φ = 184277318400.
The previous prime is 215012259953. The next prime is 215012260091. The reversal of 215012260043 is 340062210512.
It is a happy number.
It is not a de Polignac number, because 215012260043 - 214 = 215012243659 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 215012259994 and 215012260021.
It is not an unprimeable number, because it can be changed into a prime (215012260543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4083323 + ... + 4135643.
It is an arithmetic number, because the mean of its divisors is an integer number (15673055100).
Almost surely, 2215012260043 is an apocalyptic number.
215012260043 is a deficient number, since it is larger than the sum of its proper divisors (35756621557).
215012260043 is an equidigital number, since it uses as much as digits as its factorization.
215012260043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64323 (or 64309 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 215012260043 its reverse (340062210512), we get a palindrome (555074470555).
The spelling of 215012260043 in words is "two hundred fifteen billion, twelve million, two hundred sixty thousand, forty-three".
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