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111001131230 = 25112609386777
BaseRepresentation
bin110011101100000101…
…1101101100011011110
3101121111212012201020112
41213120023231203132
53304312242144410
6122554311250022
711006466022253
oct1473013554336
9347455181215
10111001131230
11430912768a0
121961a079912
13a60ca41c52
14553014742a
152d49e4e105
hex19d82ed8de

111001131230 has 32 divisors (see below), whose sum is σ = 218049965280. Its totient is φ = 40348472320.

The previous prime is 111001131229. The next prime is 111001131239. The reversal of 111001131230 is 32131100111.

It is a happy number.

It is a super-2 number, since 2×1110011312302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001131239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93602 + ... + 480378.

It is an arithmetic number, because the mean of its divisors is an integer number (6814061415).

Almost surely, 2111001131230 is an apocalyptic number.

111001131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111001131230 is a deficient number, since it is larger than the sum of its proper divisors (107048834050).

111001131230 is a wasteful number, since it uses less digits than its factorization.

111001131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389404.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111001131230 its reverse (32131100111), we get a palindrome (143132231341).

The spelling of 111001131230 in words is "one hundred eleven billion, one million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2609 5218 13045 26090 28699 57398 143495 286990 386777 773554 1933885 3867770 4254547 8509094 21272735 42545470 1009101193 2018202386 5045505965 10091011930 11100113123 22200226246 55500565615 111001131230