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112112401 = 683164147
BaseRepresentation
bin1101010111010…
…11001100010001
321210221220022011
412223223030101
5212200044101
615042542521
72530640212
oct653531421
9253856264
10112112401
1158314785
1231667a41
131a2c49cb
1410c65409
159c98751
hex6aeb311

112112401 has 4 divisors (see below), whose sum is σ = 112277232. Its totient is φ = 111947572.

The previous prime is 112112387. The next prime is 112112417. The reversal of 112112401 is 104211211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104211211 = 138016247.

It is a cyclic number.

It is not a de Polignac number, because 112112401 - 215 = 112079633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112112471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81391 + ... + 82756.

It is an arithmetic number, because the mean of its divisors is an integer number (28069308).

Almost surely, 2112112401 is an apocalyptic number.

It is an amenable number.

112112401 is a deficient number, since it is larger than the sum of its proper divisors (164831).

112112401 is an equidigital number, since it uses as much as digits as its factorization.

112112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164830.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 112112401 is about 10588.3143606525. The cubic root of 112112401 is about 482.1896503511.

Adding to 112112401 its reverse (104211211), we get a palindrome (216323612).

The spelling of 112112401 in words is "one hundred twelve million, one hundred twelve thousand, four hundred one".

Divisors: 1 683 164147 112112401