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111222013230 = 232519411586393
BaseRepresentation
bin110011110010101011…
…0010011110100101110
3101122002020211200101100
41213211112103310232
53310240313410410
6123032241423530
711015120341146
oct1474526236456
9348066750340
10111222013230
1143194a217a9
121968003aba6
13a64672ac63
145551603926
152d5e5308c0
hex19e5593d2e

111222013230 has 96 divisors (see below), whose sum is σ = 311821604640. Its totient is φ = 27412853760.

The previous prime is 111222013207. The next prime is 111222013237. The reversal of 111222013230 is 32310222111.

It is a super-3 number, since 3×1112220132303 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222013237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723087 + ... + 863306.

It is an arithmetic number, because the mean of its divisors is an integer number (3248141715).

Almost surely, 2111222013230 is an apocalyptic number.

111222013230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222013230 is an abundant number, since it is smaller than the sum of its proper divisors (200599591410).

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

111222013230 is a wasteful number, since it uses less digits than its factorization.

111222013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586466 (or 1586463 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111222013230 its reverse (32310222111), we get a palindrome (143532235341).

The spelling of 111222013230 in words is "one hundred eleven billion, two hundred twenty-two million, thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 41 45 57 82 90 95 114 123 171 190 205 246 285 342 369 410 570 615 738 779 855 1230 1558 1710 1845 2337 3690 3895 4674 7011 7790 11685 14022 23370 35055 70110 1586393 3172786 4759179 7931965 9518358 14277537 15863930 23795895 28555074 30141467 47591790 60282934 65042113 71387685 90424401 130084226 142775370 150707335 180848802 195126339 271273203 301414670 325210565 390252678 452122005 542546406 585379017 650421130 904244010 975631695 1170758034 1235800147 1356366015 1951263390 2471600294 2712732030 2926895085 3707400441 5853790170 6179000735 7414800882 11122201323 12358001470 18537002205 22244402646 37074004410 55611006615 111222013230