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13231222134 = 2313169631053
BaseRepresentation
bin11000101001010010…
…00110110101110110
31021011002212201121020
430110221012311312
5204044143102014
610024531002010
7645611350434
oct142451066566
937132781536
1013231222134
11567a753029
122693139306
13132b26b330
148d7357d54
155268c71a9
hex314a46d76

13231222134 has 16 divisors (see below), whose sum is σ = 28498017072. Its totient is φ = 4071145248.

The previous prime is 13231222133. The next prime is 13231222157. The reversal of 13231222134 is 43122213231.

13231222134 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 (13231222133) 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, 84815449 + ... + 84815604.

It is an arithmetic number, because the mean of its divisors is an integer number (1781126067).

Almost surely, 213231222134 is an apocalyptic number.

13231222134 is an abundant number, since it is smaller than the sum of its proper divisors (15266794938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231222134 is a wasteful number, since it uses less digits than its factorization.

13231222134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169631071.

The product of its digits is 1728, while the sum is 24.

Adding to 13231222134 its reverse (43122213231), we get a palindrome (56353435365).

The spelling of 13231222134 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 169631053 339262106 508893159 1017786318 2205203689 4410407378 6615611067 13231222134