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13231536743 = 64120642023
BaseRepresentation
bin11000101001010100…
…10011101001100111
31021011010110201011102
430110222103221213
5204044233133433
610024541430315
7645614130605
oct142452235147
937133421142
1013231536743
11567a948437
12269326b39b
13132b34b5a9
148d73da875
1552693a4e8
hex314a93a67

13231536743 has 4 divisors (see below), whose sum is σ = 13252179408. Its totient is φ = 13210894080.

The previous prime is 13231536739. The next prime is 13231536757. The reversal of 13231536743 is 34763513231.

13231536743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13231536743 - 22 = 13231536739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231536697 and 13231536706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231536733) 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 3 ways as a sum of consecutive naturals, for example, 10320371 + ... + 10321652.

It is an arithmetic number, because the mean of its divisors is an integer number (3313044852).

Almost surely, 213231536743 is an apocalyptic number.

13231536743 is a deficient number, since it is larger than the sum of its proper divisors (20642665).

13231536743 is an equidigital number, since it uses as much as digits as its factorization.

13231536743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20642664.

The product of its digits is 136080, while the sum is 38.

The spelling of 13231536743 in words is "thirteen billion, two hundred thirty-one million, five hundred thirty-six thousand, seven hundred forty-three".

Divisors: 1 641 20642023 13231536743