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2111302423230 = 235711131719217667
BaseRepresentation
bin11110101110010011011…
…011100101001010111110
321110211122021222210010120
4132232103123211022332
5234042421410020410
64253530254115410
7305352020330550
oct36562333451276
97424567883116
102111302423230
117444421a3830
122a1226aabb66
131241308371c0
147428aa254d0
1539dbe5e3570
hex1eb936e52be

2111302423230 has 512 divisors, whose sum is σ = 7582786928640. Its totient is φ = 361081774080.

The previous prime is 2111302423177. The next prime is 2111302423231. The reversal of 2111302423230 is 323242031112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111302423230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111302423231) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9590857 + ... + 9808523.

It is an arithmetic number, because the mean of its divisors is an integer number (14810130720).

Almost surely, 22111302423230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111302423230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3791393464320).

2111302423230 is an abundant number, since it is smaller than the sum of its proper divisors (5471484505410).

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

2111302423230 is a wasteful number, since it uses less digits than its factorization.

2111302423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217744.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2111302423230 its reverse (323242031112), we get a palindrome (2434544454342).

The spelling of 2111302423230 in words is "two trillion, one hundred eleven billion, three hundred two million, four hundred twenty-three thousand, two hundred thirty".