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111012311230 = 2553209457191
BaseRepresentation
bin110011101100011011…
…0010111000010111110
3101121112122020201022121
41213120312113002332
53304323122424410
6122555351033154
711006663035102
oct1473066270276
9347478221277
10111012311230
1143097612567
121962196b7ba
13a612157932
145531817902
152d4ae0b9da
hex19d8d970be

111012311230 has 16 divisors (see below), whose sum is σ = 203592390624. Its totient is φ = 43567095520.

The previous prime is 111012311203. The next prime is 111012311231. The reversal of 111012311230 is 32113210111.

It is a happy number.

It is a super-2 number, since 2×1110123112302 (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 (111012311231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104728066 + ... + 104729125.

It is an arithmetic number, because the mean of its divisors is an integer number (12724524414).

Almost surely, 2111012311230 is an apocalyptic number.

111012311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012311230 is a deficient number, since it is larger than the sum of its proper divisors (92580079394).

111012311230 is a wasteful number, since it uses less digits than its factorization.

111012311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209457251.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111012311230 its reverse (32113210111), we get a palindrome (143125521341).

The spelling of 111012311230 in words is "one hundred eleven billion, twelve million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 209457191 418914382 1047285955 2094571910 11101231123 22202462246 55506155615 111012311230