Base | Representation |
---|---|
bin | 1100100001001100011… |
… | …0010011011011101000 |
3 | 202120010111212020120212 |
4 | 3020103012103123220 |
5 | 12010430102044420 |
6 | 242445022240252 |
7 | 21352414334633 |
oct | 3102306233350 |
9 | 676114766525 |
10 | 215068784360 |
11 | 832347a39a1 |
12 | 35822126088 |
13 | 1738619c621 |
14 | a5a34ccc1a |
15 | 58db3243c5 |
hex | 32131936e8 |
215068784360 has 32 divisors (see below), whose sum is σ = 484275123360. Its totient is φ = 85961672256.
The previous prime is 215068784279. The next prime is 215068784377. The reversal of 215068784360 is 63487860512.
It is a junction number, because it is equal to n+sod(n) for n = 215068784299 and 215068784308.
It is an unprimeable number.
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, 2004614 + ... + 2109173.
It is an arithmetic number, because the mean of its divisors is an integer number (15133597605).
Almost surely, 2215068784360 is an apocalyptic number.
215068784360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
215068784360 is an abundant number, since it is smaller than the sum of its proper divisors (269206339000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215068784360 is a wasteful number, since it uses less digits than its factorization.
215068784360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4115105 (or 4115101 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 50.
The spelling of 215068784360 in words is "two hundred fifteen billion, sixty-eight million, seven hundred eighty-four thousand, three hundred sixty".
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