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111343220240 = 2457198827179
BaseRepresentation
bin110011110110010010…
…0101011011000010000
3101122101200220122010212
41213230210223120100
53311012331021430
6123052251343252
711021121520310
oct1475444533020
9348350818125
10111343220240
114324738838a
12196b4751b28
13a665888395
145563755440
152d69ec3b95
hex19ec92b610

111343220240 has 40 divisors (see below), whose sum is σ = 295854843840. Its totient is φ = 38174818176.

The previous prime is 111343220239. The next prime is 111343220269. The reversal of 111343220240 is 42022343111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99413030 + ... + 99414149.

It is an arithmetic number, because the mean of its divisors is an integer number (7396371096).

Almost surely, 2111343220240 is an apocalyptic number.

111343220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111343220240 is an abundant number, since it is smaller than the sum of its proper divisors (184511623600).

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

111343220240 is a wasteful number, since it uses less digits than its factorization.

111343220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198827199 (or 198827193 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 111343220240 its reverse (42022343111), we get a palindrome (153365563351).

The spelling of 111343220240 in words is "one hundred eleven billion, three hundred forty-three million, two hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 198827179 397654358 795308716 994135895 1391790253 1590617432 1988271790 2783580506 3181234864 3976543580 5567161012 6958951265 7953087160 11134322024 13917902530 15906174320 22268644048 27835805060 55671610120 111343220240