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1404111313 = 11127646483
BaseRepresentation
bin101001110110001…
…0000100111010001
310121212002020121201
41103230100213101
510333423030223
6351154551201
746536514663
oct12354204721
93555066551
101404111313
11660647680
12332298501
13194b8abc7
14d46a2533
1583407ead
hex53b109d1

1404111313 has 4 divisors (see below), whose sum is σ = 1531757808. Its totient is φ = 1276464820.

The previous prime is 1404111253. The next prime is 1404111329. The reversal of 1404111313 is 3131114041.

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: 3131114041 = 11284646731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1404111313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404111353) 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, 63823231 + ... + 63823252.

It is an arithmetic number, because the mean of its divisors is an integer number (382939452).

Almost surely, 21404111313 is an apocalyptic number.

It is an amenable number.

1404111313 is a deficient number, since it is larger than the sum of its proper divisors (127646495).

1404111313 is a wasteful number, since it uses less digits than its factorization.

1404111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127646494.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1404111313 is about 37471.4733230494. The cubic root of 1404111313 is about 1119.7829386431.

Adding to 1404111313 its reverse (3131114041), we get a palindrome (4535225354).

The spelling of 1404111313 in words is "one billion, four hundred four million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 11 127646483 1404111313