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112818137 = 1714814481
BaseRepresentation
bin1101011100101…
…11011111011001
321212021202101112
412232113133121
5212340140022
615110030105
72536636565
oct656273731
9255252345
10112818137
1158756a33
1231948335
131a4b0cc3
1410daa6a5
159d878e2
hex6b977d9

112818137 has 8 divisors (see below), whose sum is σ = 119561832. Its totient is φ = 106086400.

The previous prime is 112818133. The next prime is 112818179. The reversal of 112818137 is 731818211.

It can be written as a sum of positive squares in 4 ways, for example, as 41938576 + 70879561 = 6476^2 + 8419^2 .

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 112818137 - 22 = 112818133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112818133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22937 + ... + 27417.

It is an arithmetic number, because the mean of its divisors is an integer number (14945229).

Almost surely, 2112818137 is an apocalyptic number.

112818137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

112818137 is a deficient number, since it is larger than the sum of its proper divisors (6743695).

112818137 is a wasteful number, since it uses less digits than its factorization.

112818137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979.

The product of its digits is 2688, while the sum is 32.

The square root of 112818137 is about 10621.5882522342. The cubic root of 112818137 is about 483.1993127690.

The spelling of 112818137 in words is "one hundred twelve million, eight hundred eighteen thousand, one hundred thirty-seven".

Divisors: 1 17 1481 4481 25177 76177 6636361 112818137