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13302441421 = 73681180541
BaseRepresentation
bin11000110001110001…
…10010010111001101
31021100001220001002121
430120320302113031
5204220411111141
610035553252541
7650434613023
oct143070622715
937301801077
1013302441421
115706977145
1226b2b64151
13133cc45b19
149029b6713
1552cc941d1
hex318e325cd

13302441421 has 4 divisors (see below), whose sum is σ = 13302695644. Its totient is φ = 13302187200.

The previous prime is 13302441389. The next prime is 13302441461. The reversal of 13302441421 is 12414420331.

13302441421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1641465225 + 11660976196 = 40515^2 + 107986^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302441421 - 25 = 13302441389 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 (13302441461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16590 + ... + 163951.

It is an arithmetic number, because the mean of its divisors is an integer number (3325673911).

Almost surely, 213302441421 is an apocalyptic number.

It is an amenable number.

13302441421 is a deficient number, since it is larger than the sum of its proper divisors (254223).

13302441421 is an equidigital number, since it uses as much as digits as its factorization.

13302441421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254222.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13302441421 its reverse (12414420331), we get a palindrome (25716861752).

The spelling of 13302441421 in words is "thirteen billion, three hundred two million, four hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 73681 180541 13302441421