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111331242441 = 3243928177991
BaseRepresentation
bin110011110101111011…
…0111111000111001001
3101122100212101002200200
41213223312333013021
53311001244224231
6123051142522413
711020614642516
oct1475366770711
9348325332620
10111331242441
1143240647281
12196b0736409
13a663253523
145561d1830d
152d68e09be6
hex19ebdbf1c9

111331242441 has 12 divisors (see below), whose sum is σ = 161178114240. Its totient is φ = 74051757720.

The previous prime is 111331242371. The next prime is 111331242481. The reversal of 111331242441 is 144242133111.

It is a happy number.

It is not a de Polignac number, because 111331242441 - 29 = 111331241929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111331242481) 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, 14085045 + ... + 14092946.

It is an arithmetic number, because the mean of its divisors is an integer number (13431509520).

Almost surely, 2111331242441 is an apocalyptic number.

It is an amenable number.

111331242441 is a deficient number, since it is larger than the sum of its proper divisors (49846871799).

111331242441 is a wasteful number, since it uses less digits than its factorization.

111331242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28178436 (or 28178433 counting only the distinct ones).

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

Adding to 111331242441 its reverse (144242133111), we get a palindrome (255573375552).

The spelling of 111331242441 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred forty-two thousand, four hundred forty-one".

Divisors: 1 3 9 439 1317 3951 28177991 84533973 253601919 12370138049 37110414147 111331242441