Base | Representation |
---|---|
bin | 111111001100101… |
… | …0000011101000111 |
3 | 12110210012010000212 |
4 | 1332121100131013 |
5 | 13320330101330 |
6 | 550230430035 |
7 | 103356244100 |
oct | 17631203507 |
9 | 5423163025 |
10 | 2120550215 |
11 | 998aa4843 |
12 | 4b220231b |
13 | 27a434854 |
14 | 1618b93a7 |
15 | c6276295 |
hex | 7e650747 |
2120550215 has 12 divisors (see below), whose sum is σ = 2960115336. Its totient is φ = 1454091408.
The previous prime is 2120550191. The next prime is 2120550239. The reversal of 2120550215 is 5120550212.
It is an interprime number because it is at equal distance from previous prime (2120550191) and next prime (2120550239).
It is not a de Polignac number, because 2120550215 - 210 = 2120549191 is a prime.
It is a Duffinian number.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 4327409 + ... + 4327898.
It is an arithmetic number, because the mean of its divisors is an integer number (246676278).
Almost surely, 22120550215 is an apocalyptic number.
2120550215 is a deficient number, since it is larger than the sum of its proper divisors (839565121).
2120550215 is an equidigital number, since it uses as much as digits as its factorization.
2120550215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8655326 (or 8655319 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 23.
The square root of 2120550215 is about 46049.4322983465. The cubic root of 2120550215 is about 1284.7427838867.
The spelling of 2120550215 in words is "two billion, one hundred twenty million, five hundred fifty thousand, two hundred fifteen".
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