Base | Representation |
---|---|
bin | 111011111101111… |
… | …0011100000111101 |
3 | 12012020020122010021 |
4 | 1313323303200331 |
5 | 13110103304310 |
6 | 531355412141 |
7 | 100602062530 |
oct | 16773634075 |
9 | 5166218107 |
10 | 2012166205 |
11 | 9428a7285 |
12 | 481a54051 |
13 | 260b46bba |
14 | 151344a17 |
15 | bb9b75da |
hex | 77ef383d |
2012166205 has 8 divisors (see below), whose sum is σ = 2759542272. Its totient is φ = 1379771088.
The previous prime is 2012166181. The next prime is 2012166229. The reversal of 2012166205 is 5026612102.
It is an interprime number because it is at equal distance from previous prime (2012166181) and next prime (2012166229).
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 2012166205 - 25 = 2012166173 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2012166205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28745197 + ... + 28745266.
It is an arithmetic number, because the mean of its divisors is an integer number (344942784).
Almost surely, 22012166205 is an apocalyptic number.
It is an amenable number.
2012166205 is a deficient number, since it is larger than the sum of its proper divisors (747376067).
2012166205 is an equidigital number, since it uses as much as digits as its factorization.
2012166205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57490475.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 2012166205 is about 44857.1756244193. The cubic root of 2012166205 is about 1262.4706300392.
Adding to 2012166205 its reverse (5026612102), we get a palindrome (7038778307).
The spelling of 2012166205 in words is "two billion, twelve million, one hundred sixty-six thousand, two hundred five".
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