Search a number
-
+
13420082749441 = 25117534302773
BaseRepresentation
bin1100001101001001101101…
…0000111110000000000001
31202111221120122022021102011
43003102123100332000001
53224333312140440231
644313033443452521
72553366106143334
oct303223320760001
952457518267364
1013420082749441
11430447493aa85
121608a9a687141
1376467bb85044
1434576d49061b
151841491e49b1
hexc349b43e001

13420082749441 has 4 divisors (see below), whose sum is σ = 13420617077332. Its totient is φ = 13419548421552.

The previous prime is 13420082749439. The next prime is 13420082749483. The reversal of 13420082749441 is 14494728002431.

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 5626047181041 + 7794035568400 = 2371929^2 + 2791780^2 .

It is a cyclic number.

It is not a de Polignac number, because 13420082749441 - 21 = 13420082749439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420086749441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267126270 + ... + 267176503.

It is an arithmetic number, because the mean of its divisors is an integer number (3355154269333).

Almost surely, 213420082749441 is an apocalyptic number.

It is an amenable number.

13420082749441 is a deficient number, since it is larger than the sum of its proper divisors (534327891).

13420082749441 is an equidigital number, since it uses as much as digits as its factorization.

13420082749441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534327890.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 13420082749441 in words is "thirteen trillion, four hundred twenty billion, eighty-two million, seven hundred forty-nine thousand, four hundred forty-one".

Divisors: 1 25117 534302773 13420082749441