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210012219 = 3252344617
BaseRepresentation
bin11001000010010…
…00100000111011
3112122011201121100
430201020200323
5412230342334
632501142443
75130034344
oct1441104073
9478151540
10210012219
11a860131a
125a3baa23
13346815b1
141dc6b0cb
1513685c99
hexc84883b

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".

Divisors: 1 3 9 523 1569 4707 44617 133851 401553 23334691 70004073 210012219