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12241143421 = 132340940279
BaseRepresentation
bin10110110011010000…
…10000011001111101
31011121002212111221021
423121220100121331
5200032213042141
65342402104141
7612230000533
oct133150203175
934532774837
1012241143421
115211896261
12245764b051
1312010c5c40
14841a70153
154b9a056d1
hex2d9a1067d

12241143421 has 8 divisors (see below), whose sum is σ = 13755934080. Its totient is φ = 10808233392.

The previous prime is 12241143419. The next prime is 12241143449. The reversal of 12241143421 is 12434114221.

12241143421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12241143421 - 21 = 12241143419 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 (12241143451) 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 7 ways as a sum of consecutive naturals, for example, 20469841 + ... + 20470438.

It is an arithmetic number, because the mean of its divisors is an integer number (1719491760).

Almost surely, 212241143421 is an apocalyptic number.

It is an amenable number.

12241143421 is a deficient number, since it is larger than the sum of its proper divisors (1514790659).

12241143421 is a wasteful number, since it uses less digits than its factorization.

12241143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40940315.

The product of its digits is 1536, while the sum is 25.

Adding to 12241143421 its reverse (12434114221), we get a palindrome (24675257642).

The spelling of 12241143421 in words is "twelve billion, two hundred forty-one million, one hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 13 23 299 40940279 532223627 941626417 12241143421