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13227346081 = 23003575027
BaseRepresentation
bin11000101000110100…
…10100100010100001
31021010211120210122201
430110122110202201
5204042200033311
610024311533201
7645533405125
oct142432244241
937124523581
1013227346081
115678545984
12269198a201
13132a512001
148d6a29585
155263ad9c1
hex3146948a1

13227346081 has 4 divisors (see below), whose sum is σ = 13227944112. Its totient is φ = 13226748052.

The previous prime is 13227346031. The next prime is 13227346087. The reversal of 13227346081 is 18064372231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13227346081 - 211 = 13227344033 is a prime.

It is a super-2 number, since 2×132273460812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13227346081.

It is not an unprimeable number, because it can be changed into a prime (13227346087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264511 + ... + 310516.

It is an arithmetic number, because the mean of its divisors is an integer number (3306986028).

Almost surely, 213227346081 is an apocalyptic number.

It is an amenable number.

13227346081 is a deficient number, since it is larger than the sum of its proper divisors (598031).

13227346081 is an equidigital number, since it uses as much as digits as its factorization.

13227346081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598030.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 13227346081 in words is "thirteen billion, two hundred twenty-seven million, three hundred forty-six thousand, eighty-one".

Divisors: 1 23003 575027 13227346081