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112130045 = 51711171181
BaseRepresentation
bin1101010111011…
…11011111111101
321210222210111122
412223233133331
5212201130140
615043200325
72531042516
oct653573775
9253883448
10112130045
1158326a65
12316760a5
131a2cca51
1410c6ba0d
159c9dab5
hex6aef7fd

112130045 has 16 divisors (see below), whose sum is σ = 142719408. Its totient is φ = 84280320.

The previous prime is 112130027. The next prime is 112130047. The reversal of 112130045 is 540031211.

It can be written as a sum of positive squares in 8 ways, for example, as 151321 + 111978724 = 389^2 + 10582^2 .

It is not a de Polignac number, because 112130045 - 26 = 112129981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130047) 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, 94355 + ... + 95535.

It is an arithmetic number, because the mean of its divisors is an integer number (8919963).

Almost surely, 2112130045 is an apocalyptic number.

It is an amenable number.

112130045 is a deficient number, since it is larger than the sum of its proper divisors (30589363).

112130045 is a wasteful number, since it uses less digits than its factorization.

112130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112130045 is about 10589.1475105412. The cubic root of 112130045 is about 482.2149443354.

Adding to 112130045 its reverse (540031211), we get a palindrome (652161256).

The spelling of 112130045 in words is "one hundred twelve million, one hundred thirty thousand, forty-five".

Divisors: 1 5 17 85 1117 1181 5585 5905 18989 20077 94945 100385 1319177 6595885 22426009 112130045