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13223002313 = 29455965597
BaseRepresentation
bin11000101000010011…
…10000000011001001
31021010112102010010102
430110021300003021
5204040042033223
610024034455145
7645451444103
oct142411600311
937115363112
1013223002313
115676049394
1226904344b5
131329650b31
148d6218573
15525d01928
hex3142700c9

13223002313 has 4 divisors (see below), whose sum is σ = 13678967940. Its totient is φ = 12767036688.

The previous prime is 13223002301. The next prime is 13223002321. The reversal of 13223002313 is 31320032231.

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 9785759929 + 3437242384 = 98923^2 + 58628^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223002313 - 26 = 13223002249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223002333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227982770 + ... + 227982827.

It is an arithmetic number, because the mean of its divisors is an integer number (3419741985).

Almost surely, 213223002313 is an apocalyptic number.

It is an amenable number.

13223002313 is a deficient number, since it is larger than the sum of its proper divisors (455965627).

13223002313 is an equidigital number, since it uses as much as digits as its factorization.

13223002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455965626.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13223002313 its reverse (31320032231), we get a palindrome (44543034544).

The spelling of 13223002313 in words is "thirteen billion, two hundred twenty-three million, two thousand, three hundred thirteen".

Divisors: 1 29 455965597 13223002313