Base | Representation |
---|---|
bin | 11001000010010… |
… | …00100000111011 |
3 | 112122011201121100 |
4 | 30201020200323 |
5 | 412230342334 |
6 | 32501142443 |
7 | 5130034344 |
oct | 1441104073 |
9 | 478151540 |
10 | 210012219 |
11 | a860131a |
12 | 5a3baa23 |
13 | 346815b1 |
14 | 1dc6b0cb |
15 | 13685c99 |
hex | c84883b |
210012219 has 12 divisors (see below), whose sum is σ = 303937816. Its totient is φ = 139737312.
The previous prime is 210012193. The next prime is 210012223. The reversal of 210012219 is 912210012.
It is not a de Polignac number, because 210012219 - 221 = 207915067 is a prime.
It is a super-2 number, since 2×2100122192 = 88210264258607922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210012269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17602 + ... + 27015.
Almost surely, 2210012219 is an apocalyptic number.
210012219 is a deficient number, since it is larger than the sum of its proper divisors (93925597).
210012219 is a wasteful number, since it uses less digits than its factorization.
210012219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45146 (or 45143 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 210012219 is about 14491.7983356104. The cubic root of 210012219 is about 594.4037234309.
It can be divided in two parts, 21001 and 2219, that added together give a triangular number (23220 = T215).
The spelling of 210012219 in words is "two hundred ten million, twelve thousand, two hundred nineteen".
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