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111241142112 = 2531158761897
BaseRepresentation
bin110011110011001111…
…1010001111101100000
3101122010120211112021110
41213212133101331200
53310310213021422
6123034203423320
711015442051402
oct1474637217540
9348116745243
10111241142112
11431a47a75a1
1219686524b40
13a64a697a19
145553d82b72
152d6105d60c
hex19e67d1f60

111241142112 has 24 divisors (see below), whose sum is σ = 292007998296. Its totient is φ = 37080380672.

The previous prime is 111241142099. The next prime is 111241142119. The reversal of 111241142112 is 211241142111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111241142119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579380853 + ... + 579381044.

It is an arithmetic number, because the mean of its divisors is an integer number (12166999929).

Almost surely, 2111241142112 is an apocalyptic number.

111241142112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111241142112 is an abundant number, since it is smaller than the sum of its proper divisors (180766856184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111241142112 is a wasteful number, since it uses less digits than its factorization.

111241142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158761910 (or 1158761902 counting only the distinct ones).

The product of its digits is 128, while the sum is 21.

Adding to 111241142112 its reverse (211241142111), we get a palindrome (322482284223).

Subtracting 111241142112 from its reverse (211241142111), we obtain a palindrome (99999999999).

The spelling of 111241142112 in words is "one hundred eleven billion, two hundred forty-one million, one hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1158761897 2317523794 3476285691 4635047588 6952571382 9270095176 13905142764 18540190352 27810285528 37080380704 55620571056 111241142112