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111113111132 = 2261455381603
BaseRepresentation
bin110011101111011011…
…0111000011001011100
3101121210122220212210022
41213132312320121130
53310024424024012
6123013351331312
711012325601262
oct1473666703134
9347718825708
10111113111132
11431394aaa71
121964b680b38
13a629cbb54a
145540d76432
152d54bbd472
hex19dedb865c

111113111132 has 12 divisors (see below), whose sum is σ = 197635616136. Its totient is φ = 54645792240.

The previous prime is 111113111129. The next prime is 111113111141. The reversal of 111113111132 is 231111311111.

It is a happy number.

It is a super-2 number, since 2×1111131111322 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111113111132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227690558 + ... + 227691045.

It is an arithmetic number, because the mean of its divisors is an integer number (16469634678).

Almost surely, 2111113111132 is an apocalyptic number.

It is an amenable number.

111113111132 is a deficient number, since it is larger than the sum of its proper divisors (86522505004).

111113111132 is a wasteful number, since it uses less digits than its factorization.

111113111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455381668 (or 455381666 counting only the distinct ones).

The product of its digits is 18, while the sum is 17.

Adding to 111113111132 its reverse (231111311111), we get a palindrome (342224422243).

The spelling of 111113111132 in words is "one hundred eleven billion, one hundred thirteen million, one hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 61 122 244 455381603 910763206 1821526412 27778277783 55556555566 111113111132