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11312242230 = 23519107185477
BaseRepresentation
bin10101000100100001…
…10001111000110110
31002012100222110001110
422202100301320312
5141131413222410
65110300335450
7550220321022
oct124220617066
932170873043
1011312242230
114885514023
122238544586
1310b3820773
1479454d382
154631ba720
hex2a2431e36

11312242230 has 64 divisors (see below), whose sum is σ = 28845538560. Its totient is φ = 2831105664.

The previous prime is 11312242219. The next prime is 11312242231. The reversal of 11312242230 is 3224221311.

It is a junction number, because it is equal to n+sod(n) for n = 11312242197 and 11312242206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312242231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31749 + ... + 153728.

It is an arithmetic number, because the mean of its divisors is an integer number (450711540).

Almost surely, 211312242230 is an apocalyptic number.

11312242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312242230 is an abundant number, since it is smaller than the sum of its proper divisors (17533296330).

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

11312242230 is a wasteful number, since it uses less digits than its factorization.

11312242230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185613.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11312242230 its reverse (3224221311), we get a palindrome (14536463541).

The spelling of 11312242230 in words is "eleven billion, three hundred twelve million, two hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 107 114 190 214 285 321 535 570 642 1070 1605 2033 3210 4066 6099 10165 12198 20330 30495 60990 185477 370954 556431 927385 1112862 1854770 2782155 3524063 5564310 7048126 10572189 17620315 19846039 21144378 35240630 39692078 52860945 59538117 99230195 105721890 119076234 198460390 297690585 377074741 595381170 754149482 1131224223 1885373705 2262448446 3770747410 5656121115 11312242230