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111117039 = 31110731469
BaseRepresentation
bin1101001111110…
…00001011101111
321202002022220220
412213320023233
5211421221124
615005342423
72516323245
oct647701357
9252068826
10111117039
11577a4970
1231267a13
131a036937
1410a86795
159b4d879
hex69f82ef

111117039 has 16 divisors (see below), whose sum is σ = 163140480. Its totient is φ = 66712160.

The previous prime is 111117037. The next prime is 111117043. The reversal of 111117039 is 930711111.

It is a cyclic number.

It is not a de Polignac number, because 111117039 - 21 = 111117037 is a prime.

It is a super-2 number, since 2×1111170392 = 24693992712255042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111117037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12204 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (10196280).

Almost surely, 2111117039 is an apocalyptic number.

111117039 is a deficient number, since it is larger than the sum of its proper divisors (52023441).

111117039 is a wasteful number, since it uses less digits than its factorization.

111117039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31590.

The product of its (nonzero) digits is 189, while the sum is 24.

The square root of 111117039 is about 10541.2067146034. The cubic root of 111117039 is about 480.7584061123.

The spelling of 111117039 in words is "one hundred eleven million, one hundred seventeen thousand, thirty-nine".

Divisors: 1 3 11 33 107 321 1177 3531 31469 94407 346159 1038477 3367183 10101549 37039013 111117039