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1112411213 = 2840939157
BaseRepresentation
bin100001001001110…
…0000110001001101
32212112012100022022
41002103200301031
54234234124323
6302214455525
736365224244
oct10223406115
92775170268
101112411213
11520a22011
122706645a5
13149607bb4
14a7a4d95b
15679d84c8
hex424e0c4d

1112411213 has 4 divisors (see below), whose sum is σ = 1112478780. Its totient is φ = 1112343648.

The previous prime is 1112411197. The next prime is 1112411243. The reversal of 1112411213 is 3121142111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 839434729 + 272976484 = 28973^2 + 16522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112411213 - 24 = 1112411197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1112411191 and 1112411200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112411243) 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, 8831 + ... + 47987.

It is an arithmetic number, because the mean of its divisors is an integer number (278119695).

Almost surely, 21112411213 is an apocalyptic number.

It is an amenable number.

1112411213 is a deficient number, since it is larger than the sum of its proper divisors (67567).

1112411213 is an equidigital number, since it uses as much as digits as its factorization.

1112411213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67566.

The product of its digits is 48, while the sum is 17.

The square root of 1112411213 is about 33352.8291603576. The cubic root of 1112411213 is about 1036.1479830773.

Adding to 1112411213 its reverse (3121142111), we get a palindrome (4233553324).

The spelling of 1112411213 in words is "one billion, one hundred twelve million, four hundred eleven thousand, two hundred thirteen".

Divisors: 1 28409 39157 1112411213