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111313291 = 796832063
BaseRepresentation
bin1101010001010…
…00000110001011
321202110022010111
412220220012023
5211444011131
615013455151
72521101355
oct650500613
9252408114
10111313291
1157919361
12313414b7
131a0a506b
1410ad80d5
159b8bab1
hex6a2818b

111313291 has 8 divisors (see below), whose sum is σ = 112942080. Its totient is φ = 109690152.

The previous prime is 111313289. The next prime is 111313313. The reversal of 111313291 is 192313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111313291 - 21 = 111313289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52926 + ... + 54988.

It is an arithmetic number, because the mean of its divisors is an integer number (14117760).

Almost surely, 2111313291 is an apocalyptic number.

111313291 is a deficient number, since it is larger than the sum of its proper divisors (1628789).

111313291 is an equidigital number, since it uses as much as digits as its factorization.

111313291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 162, while the sum is 22.

The square root of 111313291 is about 10550.5114094057. The cubic root of 111313291 is about 481.0412739423.

The spelling of 111313291 in words is "one hundred eleven million, three hundred thirteen thousand, two hundred ninety-one".

Divisors: 1 79 683 2063 53957 162977 1409029 111313291