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13223051053 = 96293137321
BaseRepresentation
bin11000101000010011…
…11011111100101101
31021010112111120222121
430110021323330231
5204040100113203
610024035512541
7645452036152
oct142411737455
937115446877
1013223051053
115676081a73
122690458751
13132966a084
148d622c229
15525d110bd
hex31427bf2d

13223051053 has 4 divisors (see below), whose sum is σ = 13223284668. Its totient is φ = 13222817440.

The previous prime is 13223051029. The next prime is 13223051089. The reversal of 13223051053 is 35015032231.

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 9448423209 + 3774627844 = 97203^2 + 61438^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223051053 - 25 = 13223051021 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 (13223052053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27633 + ... + 164953.

It is an arithmetic number, because the mean of its divisors is an integer number (3305821167).

Almost surely, 213223051053 is an apocalyptic number.

It is an amenable number.

13223051053 is a deficient number, since it is larger than the sum of its proper divisors (233615).

13223051053 is an equidigital number, since it uses as much as digits as its factorization.

13223051053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233614.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13223051053 its reverse (35015032231), we get a palindrome (48238083284).

The spelling of 13223051053 in words is "thirteen billion, two hundred twenty-three million, fifty-one thousand, fifty-three".

Divisors: 1 96293 137321 13223051053