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212332011 = 31937831213
BaseRepresentation
bin11001010011111…
…10110111101011
3112210112120202120
430221332313223
5413324111021
633023002323
75155535523
oct1451766753
9483476676
10212332011
11a9946201
125b1393a3
1334cb4458
14202b2683
15139932c6
hexca7edeb

212332011 has 32 divisors (see below), whose sum is σ = 310007040. Its totient is φ = 128801664.

The previous prime is 212332007. The next prime is 212332019. The reversal of 212332011 is 110233212.

It is not a de Polignac number, because 212332011 - 22 = 212332007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212332019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174441 + ... + 175653.

It is an arithmetic number, because the mean of its divisors is an integer number (9687720).

Almost surely, 2212332011 is an apocalyptic number.

212332011 is a deficient number, since it is larger than the sum of its proper divisors (97675029).

212332011 is a wasteful number, since it uses less digits than its factorization.

212332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212332011 is about 14571.6166227361. The cubic root of 212332011 is about 596.5843058435.

Adding to 212332011 its reverse (110233212), we get a palindrome (322565223).

The spelling of 212332011 in words is "two hundred twelve million, three hundred thirty-two thousand, eleven".

Divisors: 1 3 19 37 57 83 111 249 703 1213 1577 2109 3071 3639 4731 9213 23047 44881 58349 69141 100679 134643 175047 302037 852739 1912901 2558217 3725123 5738703 11175369 70777337 212332011