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13404222241 = 22937584393
BaseRepresentation
bin11000111101111010…
…00011001100100001
31021121011102001010121
430132331003030201
5204422440102431
610054031000241
7653112003064
oct143675031441
937534361117
1013404222241
115759374623
122721069081
131358061067
1491230c8db
15536b9b611
hex31ef43321

13404222241 has 4 divisors (see below), whose sum is σ = 13404829572. Its totient is φ = 13403614912.

The previous prime is 13404222229. The next prime is 13404222263. The reversal of 13404222241 is 14222240431.

13404222241 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, and also an emirpimes, since its reverse is a distinct semiprime: 14222240431 = 72031748633.

It can be written as a sum of positive squares in 2 ways, for example, as 978438400 + 12425783841 = 31280^2 + 111471^2 .

It is a cyclic number.

It is not a de Polignac number, because 13404222241 - 233 = 4814287649 is a prime.

It is a super-2 number, since 2×134042222412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404222281) 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, 269260 + ... + 315133.

It is an arithmetic number, because the mean of its divisors is an integer number (3351207393).

Almost surely, 213404222241 is an apocalyptic number.

It is an amenable number.

13404222241 is a deficient number, since it is larger than the sum of its proper divisors (607331).

13404222241 is an equidigital number, since it uses as much as digits as its factorization.

13404222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607330.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13404222241 its reverse (14222240431), we get a palindrome (27626462672).

The spelling of 13404222241 in words is "thirteen billion, four hundred four million, two hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 22937 584393 13404222241