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111418105 = 522283621
BaseRepresentation
bin1101010010000…
…01101011111001
321202122121220111
412221001223321
5212010334410
615020024321
72522016061
oct651015371
9252577814
10111418105
1157990087
12313920a1
131a110996
1410b243a1
159bacb8a
hex6a41af9

111418105 has 4 divisors (see below), whose sum is σ = 133701732. Its totient is φ = 89134480.

The previous prime is 111418093. The next prime is 111418129. The reversal of 111418105 is 501814111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74839801 + 36578304 = 8651^2 + 6048^2 .

It is not a de Polignac number, because 111418105 - 225 = 77863673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11141806 + ... + 11141815.

It is an arithmetic number, because the mean of its divisors is an integer number (33425433).

Almost surely, 2111418105 is an apocalyptic number.

It is an amenable number.

111418105 is a deficient number, since it is larger than the sum of its proper divisors (22283627).

111418105 is an equidigital number, since it uses as much as digits as its factorization.

111418105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22283626.

The product of its (nonzero) digits is 160, while the sum is 22.

The square root of 111418105 is about 10555.4774880154. The cubic root of 111418105 is about 481.1922114227.

The spelling of 111418105 in words is "one hundred eleven million, four hundred eighteen thousand, one hundred five".

Divisors: 1 5 22283621 111418105