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111443223112 = 23138171131143
BaseRepresentation
bin110011111001010001…
…0001010001001001000
3101122122200002022021221
41213302202022021020
53311213431114422
6123110223011424
711023444524004
oct1476242121110
9348580068257
10111443223112
1143298880a91
1219722139b74
13a680500290
145572b47704
152d73b793c7
hex19f288a248

111443223112 has 32 divisors (see below), whose sum is σ = 225058841280. Its totient is φ = 51428646720.

The previous prime is 111443223091. The next prime is 111443223161. The reversal of 111443223112 is 211322344111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784213 + ... + 915355.

It is an arithmetic number, because the mean of its divisors is an integer number (7033088790).

Almost surely, 2111443223112 is an apocalyptic number.

It is an amenable number.

111443223112 is an abundant number, since it is smaller than the sum of its proper divisors (113615618168).

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

111443223112 is a wasteful number, since it uses less digits than its factorization.

111443223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139333 (or 139329 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 111443223112 its reverse (211322344111), we get a palindrome (322765567223).

The spelling of 111443223112 in words is "one hundred eleven billion, four hundred forty-three million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 8171 16342 32684 65368 106223 131143 212446 262286 424892 524572 849784 1049144 1704859 3409718 6819436 13638872 1071569453 2143138906 4286277812 8572555624 13930402889 27860805778 55721611556 111443223112