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32424432013 = 53336079961
BaseRepresentation
bin11110001100101001…
…011001000110001101
310002200201021210212101
4132030221121012031
51012401123311023
622521240035101
72225336060521
oct361451310615
9102621253771
1032424432013
1112829823756
12634aa62a91
13309975655c
1417d8427d81
15c9b8c91ad
hex78ca5918d

32424432013 has 4 divisors (see below), whose sum is σ = 32430517308. Its totient is φ = 32418346720.

The previous prime is 32424431987. The next prime is 32424432043. The reversal of 32424432013 is 31023442423.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30442223529 + 1982208484 = 174477^2 + 44522^2 .

It is a cyclic number.

It is not a de Polignac number, because 32424432013 - 213 = 32424423821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32424432043) 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, 3034648 + ... + 3045313.

It is an arithmetic number, because the mean of its divisors is an integer number (8107629327).

Almost surely, 232424432013 is an apocalyptic number.

It is an amenable number.

32424432013 is a deficient number, since it is larger than the sum of its proper divisors (6085295).

32424432013 is an equidigital number, since it uses as much as digits as its factorization.

32424432013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085294.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32424432013 its reverse (31023442423), we get a palindrome (63447874436).

The spelling of 32424432013 in words is "thirty-two billion, four hundred twenty-four million, four hundred thirty-two thousand, thirteen".

Divisors: 1 5333 6079961 32424432013