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13226143461 = 34408714487
BaseRepresentation
bin11000101000101011…
…01110111011100101
31021010202022200222020
430110111232323211
5204041343042321
610024230053353
7645520236006
oct142425567345
937122280866
1013226143461
1156778a4383
1226914aa259
13132a1b07bb
148d67d51ad
155262224c6
hex31456eee5

13226143461 has 4 divisors (see below), whose sum is σ = 17634857952. Its totient is φ = 8817428972.

The previous prime is 13226143453. The next prime is 13226143471. The reversal of 13226143461 is 16434162231.

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 13226143461 - 23 = 13226143453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226143471) 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, 2204357241 + ... + 2204357246.

It is an arithmetic number, because the mean of its divisors is an integer number (4408714488).

Almost surely, 213226143461 is an apocalyptic number.

It is an amenable number.

13226143461 is a deficient number, since it is larger than the sum of its proper divisors (4408714491).

13226143461 is an equidigital number, since it uses as much as digits as its factorization.

13226143461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408714490.

The product of its digits is 20736, while the sum is 33.

The spelling of 13226143461 in words is "thirteen billion, two hundred twenty-six million, one hundred forty-three thousand, four hundred sixty-one".

Divisors: 1 3 4408714487 13226143461