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111100212104 = 23717911083421
BaseRepresentation
bin110011101111000010…
…1101011001110001000
3101121202202122112122112
41213132011223032020
53310013123241404
6123012211041452
711012111135630
oct1473605531610
9347682575575
10111100212104
114313219a812
12196472a0288
13a62742329b
14553d3796c0
152d539c156e
hex19de16b388

111100212104 has 32 divisors (see below), whose sum is σ = 239401915200. Its totient is φ = 47348370240.

The previous prime is 111100212103. The next prime is 111100212127. The reversal of 111100212104 is 401212001111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (111100212103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5531687 + ... + 5551734.

It is an arithmetic number, because the mean of its divisors is an integer number (7481309850).

Almost surely, 2111100212104 is an apocalyptic number.

111100212104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111100212104 is an abundant number, since it is smaller than the sum of its proper divisors (128301703096).

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

111100212104 is a wasteful number, since it uses less digits than its factorization.

111100212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083613 (or 11083609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111100212104 its reverse (401212001111), we get a palindrome (512312213215).

The spelling of 111100212104 in words is "one hundred eleven billion, one hundred million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 179 358 716 1253 1432 2506 5012 10024 11083421 22166842 44333684 77583947 88667368 155167894 310335788 620671576 1983932359 3967864718 7935729436 13887526513 15871458872 27775053026 55550106052 111100212104