Search a number
-
+
1349442113 = 10113360813
BaseRepresentation
bin101000001101110…
…1101101001000001
310111001012202120112
41100123231221001
510230424121423
6341523121105
745304032365
oct12033555101
93431182515
101349442113
116327a7918
12317b13195
13186759476
14cb3112a5
157d709a78
hex506eda41

1349442113 has 4 divisors (see below), whose sum is σ = 1362803028. Its totient is φ = 1336081200.

The previous prime is 1349442103. The next prime is 1349442151. The reversal of 1349442113 is 3112449431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1064912689 + 284529424 = 32633^2 + 16868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349442113 - 26 = 1349442049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1349442113.

It is not an unprimeable number, because it can be changed into a prime (1349442103) 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, 6680306 + ... + 6680507.

It is an arithmetic number, because the mean of its divisors is an integer number (340700757).

Almost surely, 21349442113 is an apocalyptic number.

It is an amenable number.

1349442113 is a deficient number, since it is larger than the sum of its proper divisors (13360915).

1349442113 is a wasteful number, since it uses less digits than its factorization.

1349442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360914.

The product of its digits is 10368, while the sum is 32.

The square root of 1349442113 is about 36734.7534767827. The cubic root of 1349442113 is about 1105.0571861507.

The spelling of 1349442113 in words is "one billion, three hundred forty-nine million, four hundred forty-two thousand, one hundred thirteen".

Divisors: 1 101 13360813 1349442113