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13420332441 = 323314504979
BaseRepresentation
bin11000111111110101…
…00000010110011001
31021122021201112011200
430133322200112121
5204441101114231
610055404144413
7653365641435
oct143772402631
937567645150
1013420332441
11576747843a
122726538109
13135b4b1b19
149145039c5
155382cebe6
hex31fea0599

13420332441 has 12 divisors (see below), whose sum is σ = 19443493680. Its totient is φ = 8919856440.

The previous prime is 13420332437. The next prime is 13420332451. The reversal of 13420332441 is 14423302431.

13420332441 is a `hidden beast` number, since 13 + 4 + 203 + 3 + 2 + 441 = 666.

It is not a de Polignac number, because 13420332441 - 22 = 13420332437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13420332451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2249511 + ... + 2255468.

It is an arithmetic number, because the mean of its divisors is an integer number (1620291140).

Almost surely, 213420332441 is an apocalyptic number.

It is an amenable number.

13420332441 is a deficient number, since it is larger than the sum of its proper divisors (6023161239).

13420332441 is a wasteful number, since it uses less digits than its factorization.

13420332441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505316 (or 4505313 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13420332441 its reverse (14423302431), we get a palindrome (27843634872).

The spelling of 13420332441 in words is "thirteen billion, four hundred twenty million, three hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 3 9 331 993 2979 4504979 13514937 40544811 1491148049 4473444147 13420332441