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211312067 = 2935920297
BaseRepresentation
bin11001001100001…
…01110111000011
3112201121202122212
430212011313003
5413043441232
632545052335
75144060111
oct1446056703
9481552585
10211312067
11a930997a
125a9270ab
1334a18135
14200c8ab1
1513840eb2
hexc985dc3

211312067 has 8 divisors (see below), whose sum is σ = 219218400. Its totient is φ = 203447104.

The previous prime is 211312043. The next prime is 211312093. The reversal of 211312067 is 760213112.

211312067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211312067 - 216 = 211246531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211312097) 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, 263 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (27402300).

Almost surely, 2211312067 is an apocalyptic number.

211312067 is a deficient number, since it is larger than the sum of its proper divisors (7906333).

211312067 is a wasteful number, since it uses less digits than its factorization.

211312067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 211312067 is about 14536.5768666492. The cubic root of 211312067 is about 595.6275346095.

Adding to 211312067 its reverse (760213112), we get a palindrome (971525179).

The spelling of 211312067 in words is "two hundred eleven million, three hundred twelve thousand, sixty-seven".

Divisors: 1 29 359 10411 20297 588613 7286623 211312067