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12440224143341 = 31401297553011
BaseRepresentation
bin1011010100000111011100…
…1001000001011111101101
31122001021101121110200010222
42311001313021001133231
53112310034340041331
642242543213141125
72422530231335321
oct265016711013755
948037347420128
1012440224143341
113a66962238475
12148abb9a8a7a5
136c315366ba77
14310178017981
151688ead28b7b
hexb50772417ed

12440224143341 has 4 divisors (see below), whose sum is σ = 12841521696384. Its totient is φ = 12038926590300.

The previous prime is 12440224143301. The next prime is 12440224143377. The reversal of 12440224143341 is 14334142204421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12440224143341 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 (12440224143301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200648776475 + ... + 200648776536.

It is an arithmetic number, because the mean of its divisors is an integer number (3210380424096).

Almost surely, 212440224143341 is an apocalyptic number.

It is an amenable number.

12440224143341 is a deficient number, since it is larger than the sum of its proper divisors (401297553043).

12440224143341 is an equidigital number, since it uses as much as digits as its factorization.

12440224143341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401297553042.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 12440224143341 its reverse (14334142204421), we get a palindrome (26774366347762).

The spelling of 12440224143341 in words is "twelve trillion, four hundred forty billion, two hundred twenty-four million, one hundred forty-three thousand, three hundred forty-one".

Divisors: 1 31 401297553011 12440224143341