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1112440013 = 3473205879
BaseRepresentation
bin100001001001110…
…0111110011001101
32212112020210210222
41002103213303031
54234241040023
6302215241125
736365404226
oct10223476315
92775223728
101112440013
11520a41713
122706791a5
13149618039
14a7a5a24d
15679e1cc8
hex424e7ccd

1112440013 has 4 divisors (see below), whose sum is σ = 1115646240. Its totient is φ = 1109233788.

The previous prime is 1112440009. The next prime is 1112440019. The reversal of 1112440013 is 3100442111.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1112440013 - 22 = 1112440009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112439973 and 1112440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112440019) 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, 1602593 + ... + 1603286.

It is an arithmetic number, because the mean of its divisors is an integer number (278911560).

Almost surely, 21112440013 is an apocalyptic number.

It is an amenable number.

1112440013 is a deficient number, since it is larger than the sum of its proper divisors (3206227).

1112440013 is an equidigital number, since it uses as much as digits as its factorization.

1112440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206226.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1112440013 is about 33353.2609050450. The cubic root of 1112440013 is about 1036.1569248559.

Adding to 1112440013 its reverse (3100442111), we get a palindrome (4212882124).

The spelling of 1112440013 in words is "one billion, one hundred twelve million, four hundred forty thousand, thirteen".

Divisors: 1 347 3205879 1112440013