Search a number
-
+
13894244927 = 61227774507
BaseRepresentation
bin11001111000010100…
…10101101000111111
31022212022110202212222
430330022111220333
5211423411314202
610214413515555
71001212063463
oct147412255077
938768422788
1013894244927
11598aa36952
1228391a2bbb
131405731a04
1495b4284a3
15564be34a2
hex33c295a3f

13894244927 has 4 divisors (see below), whose sum is σ = 14122019496. Its totient is φ = 13666470360.

The previous prime is 13894244911. The next prime is 13894244929. The reversal of 13894244927 is 72944249831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72944249831 = 73699898799.

It is a cyclic number.

It is not a de Polignac number, because 13894244927 - 24 = 13894244911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13894244929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113887193 + ... + 113887314.

It is an arithmetic number, because the mean of its divisors is an integer number (3530504874).

Almost surely, 213894244927 is an apocalyptic number.

13894244927 is a deficient number, since it is larger than the sum of its proper divisors (227774569).

13894244927 is an equidigital number, since it uses as much as digits as its factorization.

13894244927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227774568.

The product of its digits is 3483648, while the sum is 53.

The spelling of 13894244927 in words is "thirteen billion, eight hundred ninety-four million, two hundred forty-four thousand, nine hundred twenty-seven".

Divisors: 1 61 227774507 13894244927