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13423241291 = 30743723913
BaseRepresentation
bin11001000000001011…
…00110100001001011
31021122111012022100212
430200011212201023
5204442322210131
610055550351335
7653432445155
oct144005464113
937574168325
1013423241291
115769084949
1227274bb54b
13135bc8cb35
14914a5dad5
155386a6a2b
hex32016684b

13423241291 has 4 divisors (see below), whose sum is σ = 13466965512. Its totient is φ = 13379517072.

The previous prime is 13423241287. The next prime is 13423241297. The reversal of 13423241291 is 19214232431.

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

It is a cyclic number.

It is not a de Polignac number, because 13423241291 - 22 = 13423241287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423241297) 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, 21861650 + ... + 21862263.

It is an arithmetic number, because the mean of its divisors is an integer number (3366741378).

Almost surely, 213423241291 is an apocalyptic number.

13423241291 is a deficient number, since it is larger than the sum of its proper divisors (43724221).

13423241291 is an equidigital number, since it uses as much as digits as its factorization.

13423241291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43724220.

The product of its digits is 10368, while the sum is 32.

The spelling of 13423241291 in words is "thirteen billion, four hundred twenty-three million, two hundred forty-one thousand, two hundred ninety-one".

Divisors: 1 307 43723913 13423241291