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210011213 = 1791936079
BaseRepresentation
bin11001000010010…
…00010001001101
3112122011200020002
430201020101031
5412230324323
632501134045
75130031406
oct1441102115
9478150202
10210011213
11a8600595
125a3ba325
1334680cb9
141dc6a9ad
1513685828
hexc84844d

210011213 has 8 divisors (see below), whose sum is σ = 212313600. Its totient is φ = 207721728.

The previous prime is 210011203. The next prime is 210011231. The reversal of 210011213 is 312110012.

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 210011213 - 212 = 210007117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011194 and 210011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31508 + ... + 37586.

It is an arithmetic number, because the mean of its divisors is an integer number (26539200).

Almost surely, 2210011213 is an apocalyptic number.

It is an amenable number.

210011213 is a deficient number, since it is larger than the sum of its proper divisors (2302387).

210011213 is a wasteful number, since it uses less digits than its factorization.

210011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 210011213 is about 14491.7636262810. The cubic root of 210011213 is about 594.4027743256.

Adding to 210011213 its reverse (312110012), we get a palindrome (522121225).

The spelling of 210011213 in words is "two hundred ten million, eleven thousand, two hundred thirteen".

Divisors: 1 179 193 6079 34547 1088141 1173247 210011213