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11431434141 = 324727024667
BaseRepresentation
bin10101010010101110…
…11101011110011101
31002111200021000121200
422221113131132131
5141402421343031
65130155150113
7553165405221
oct125127353635
932450230550
1011431434141
114936823736
122270445339
13110242391a
147a62d8781
1546d8b18e6
hex2a95dd79d

11431434141 has 12 divisors (see below), whose sum is σ = 16863392832. Its totient is φ = 7458807816.

The previous prime is 11431434137. The next prime is 11431434149. The reversal of 11431434141 is 14143413411.

11431434141 is a `hidden beast` number, since 1 + 1 + 4 + 314 + 341 + 4 + 1 = 666.

It is not a de Polignac number, because 11431434141 - 22 = 11431434137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431434149) 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, 13511911 + ... + 13512756.

It is an arithmetic number, because the mean of its divisors is an integer number (1405282736).

Almost surely, 211431434141 is an apocalyptic number.

It is an amenable number.

11431434141 is a deficient number, since it is larger than the sum of its proper divisors (5431958691).

11431434141 is a wasteful number, since it uses less digits than its factorization.

11431434141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27024720 (or 27024717 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 11431434141 its reverse (14143413411), we get a palindrome (25574847552).

The spelling of 11431434141 in words is "eleven billion, four hundred thirty-one million, four hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 3 9 47 141 423 27024667 81074001 243222003 1270159349 3810478047 11431434141