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112107681 = 3272377369
BaseRepresentation
bin1101010111010…
…10000010100001
321210221122211100
412223222002201
5212144421211
615042505013
72530620360
oct653520241
9253848740
10112107681
1158311184
1231665169
131a2c280a
1410c637d7
159c97156
hex6aea0a1

112107681 has 24 divisors (see below), whose sum is σ = 193115520. Its totient is φ = 61275456.

The previous prime is 112107659. The next prime is 112107689. The reversal of 112107681 is 186701211.

It is not a de Polignac number, because 112107681 - 26 = 112107617 is a prime.

It is a super-2 number, since 2×1121076812 = 25136264278395522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112107689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37236 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (8046480).

Almost surely, 2112107681 is an apocalyptic number.

It is an amenable number.

112107681 is a deficient number, since it is larger than the sum of its proper divisors (81007839).

112107681 is a wasteful number, since it uses less digits than its factorization.

112107681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77405 (or 77402 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 112107681 is about 10588.0914710820. The cubic root of 112107681 is about 482.1828834307.

Adding to 112107681 its reverse (186701211), we get a palindrome (298808892).

The spelling of 112107681 in words is "one hundred twelve million, one hundred seven thousand, six hundred eighty-one".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 77369 232107 541583 696321 1624749 1779487 4874247 5338461 12456409 16015383 37369227 112107681