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111313205 = 5373831571
BaseRepresentation
bin1101010001010…
…00000100110101
321202110022000022
412220220010311
5211444010310
615013454525
72521101203
oct650500465
9252408008
10111313205
1157919293
1231341445
131a0a5003
1410ad8073
159b8ba55
hex6a28135

111313205 has 16 divisors (see below), whose sum is σ = 137631744. Its totient is φ = 86362560.

The previous prime is 111313199. The next prime is 111313207. The reversal of 111313205 is 502313111.

It is not a de Polignac number, because 111313205 - 224 = 94535989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313207) 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 15 ways as a sum of consecutive naturals, for example, 70070 + ... + 71640.

It is an arithmetic number, because the mean of its divisors is an integer number (8601984).

Almost surely, 2111313205 is an apocalyptic number.

It is an amenable number.

111313205 is a deficient number, since it is larger than the sum of its proper divisors (26318539).

111313205 is a wasteful number, since it uses less digits than its factorization.

111313205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 111313205 is about 10550.5073337731. The cubic root of 111313205 is about 481.0411500591.

Adding to 111313205 its reverse (502313111), we get a palindrome (613626316).

The spelling of 111313205 in words is "one hundred eleven million, three hundred thirteen thousand, two hundred five".

Divisors: 1 5 37 185 383 1571 1915 7855 14171 58127 70855 290635 601693 3008465 22262641 111313205