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111688027 = 1147349619
BaseRepresentation
bin1101010100000…
…11100101011011
321210011100011121
412222003211123
5212043004102
615025510111
72524222033
oct652034533
9253140147
10111688027
1158054960
12314a2337
131a1a67b9
1410b948c3
159c12b37
hex6a8395b

111688027 has 16 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 98929440.

The previous prime is 111688007. The next prime is 111688081. The reversal of 111688027 is 720886111.

It is a cyclic number.

It is not a de Polignac number, because 111688027 - 219 = 111163739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111687983 and 111688001.

It is not an unprimeable number, because it can be changed into a prime (111688007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180124 + ... + 180742.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2111688027 is an apocalyptic number.

111688027 is a deficient number, since it is larger than the sum of its proper divisors (13303973).

111688027 is a wasteful number, since it uses less digits than its factorization.

111688027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 111688027 is about 10568.2556271127. The cubic root of 111688027 is about 481.5804775215.

The spelling of 111688027 in words is "one hundred eleven million, six hundred eighty-eight thousand, twenty-seven".

Divisors: 1 11 47 349 517 619 3839 6809 16403 29093 180433 216031 320023 2376341 10153457 111688027