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111311330130 = 2325711132814397
BaseRepresentation
bin110011110101010101…
…1000001101101010010
3101122022110220110010200
41213222223001231102
53310431200031010
6123045152040030
711020253460240
oct1475253015522
9348273813120
10111311330130
1143230386920
12196a5b33016
13a65c0a0cb0
14555d413790
152d672c4cc0
hex19eaac1b52

111311330130 has 384 divisors, whose sum is σ = 390049261056. Its totient is φ = 21269606400.

The previous prime is 111311330113. The next prime is 111311330153. The reversal of 111311330130 is 31033113111.

111311330130 is a `hidden beast` number, since 1 + 11 + 311 + 330 + 13 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25313092 + ... + 25317488.

It is an arithmetic number, because the mean of its divisors is an integer number (1015753284).

Almost surely, 2111311330130 is an apocalyptic number.

111311330130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111311330130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195024630528).

111311330130 is an abundant number, since it is smaller than the sum of its proper divisors (278737930926).

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

111311330130 is a wasteful number, since it uses less digits than its factorization.

111311330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 111311330130 its reverse (31033113111), we get a palindrome (142344443241).

The spelling of 111311330130 in words is "one hundred eleven billion, three hundred eleven million, three hundred thirty thousand, one hundred thirty".