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1441240013 = 7487192499
BaseRepresentation
bin101010111100111…
…1001001111001101
310201102221120121202
41111321321033031
510422424140023
6355002435245
750500223633
oct12571711715
93642846552
101441240013
1167a5a6a54
12342802b25
1319c78a855
14d95a9353
15867de128
hex55e793cd

1441240013 has 4 divisors (see below), whose sum is σ = 1441440000. Its totient is φ = 1441040028.

The previous prime is 1441239997. The next prime is 1441240019. The reversal of 1441240013 is 3100421441.

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 1441240013 - 24 = 1441239997 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 (1441240019) 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, 88763 + ... + 103736.

It is an arithmetic number, because the mean of its divisors is an integer number (360360000).

Almost surely, 21441240013 is an apocalyptic number.

It is an amenable number.

1441240013 is a deficient number, since it is larger than the sum of its proper divisors (199987).

1441240013 is an equidigital number, since it uses as much as digits as its factorization.

1441240013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199986.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1441240013 is about 37963.6670120261. The cubic root of 1441240013 is about 1129.5672796915.

Adding to 1441240013 its reverse (3100421441), we get a palindrome (4541661454).

The spelling of 1441240013 in words is "one billion, four hundred forty-one million, two hundred forty thousand, thirteen".

Divisors: 1 7487 192499 1441240013