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11211401212 = 22111913410767
BaseRepresentation
bin10100111000100000…
…00110011111111100
31001221100020012011221
422130100012133330
5140430104314322
65052255123124
7544554223624
oct123420063774
931840205157
1011211401212
1148335a8740
12220a8134a4
13109897421b
14784dbd884
154593eb9c7
hex29c4067fc

11211401212 has 24 divisors (see below), whose sum is σ = 22530090240. Its totient is φ = 4827875760.

The previous prime is 11211401207. The next prime is 11211401219. The reversal of 11211401212 is 21210411211.

11211401212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211401219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6704548 + ... + 6706219.

It is an arithmetic number, because the mean of its divisors is an integer number (938753760).

Almost surely, 211211401212 is an apocalyptic number.

It is an amenable number.

11211401212 is an abundant number, since it is smaller than the sum of its proper divisors (11318689028).

11211401212 is a wasteful number, since it uses less digits than its factorization.

11211401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410801 (or 13410799 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211401212 its reverse (21210411211), we get a palindrome (32421812423).

Subtracting 11211401212 from its reverse (21210411211), we obtain a palindrome (9999009999).

The spelling of 11211401212 in words is "eleven billion, two hundred eleven million, four hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 13410767 26821534 53643068 147518437 254804573 295036874 509609146 590073748 1019218292 2802850303 5605700606 11211401212