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112640113 = 1719348731
BaseRepresentation
bin1101011011011…
…00000001110001
321211221201012001
412231230001301
5212313440423
615102134001
72535265555
oct655540161
9254851161
10112640113
1158645203
1231881301
131a44ac71
1410d61865
159d4ecad
hex6b6c071

112640113 has 8 divisors (see below), whose sum is σ = 125543520. Its totient is φ = 100434240.

The previous prime is 112640107. The next prime is 112640117. The reversal of 112640113 is 311046211.

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 112640113 - 217 = 112509041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112640117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174043 + ... + 174688.

It is an arithmetic number, because the mean of its divisors is an integer number (15692940).

Almost surely, 2112640113 is an apocalyptic number.

It is an amenable number.

112640113 is a deficient number, since it is larger than the sum of its proper divisors (12903407).

112640113 is a wasteful number, since it uses less digits than its factorization.

112640113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348767.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 112640113 is about 10613.2046526956. The cubic root of 112640113 is about 482.9450204399.

Adding to 112640113 its reverse (311046211), we get a palindrome (423686324).

The spelling of 112640113 in words is "one hundred twelve million, six hundred forty thousand, one hundred thirteen".

Divisors: 1 17 19 323 348731 5928427 6625889 112640113