Search a number
-
+
2144005013 = 6547327479
BaseRepresentation
bin111111111001010…
…1110101110010101
312112102022201222002
41333302232232111
513342331130023
6552425245045
7104062512323
oct17762565625
95472281862
102144005013
11a00264777
124ba033785
13282257627
14164a62d13
15c835ab28
hex7fcaeb95

2144005013 has 4 divisors (see below), whose sum is σ = 2144339040. Its totient is φ = 2143670988.

The previous prime is 2144004959. The next prime is 2144005027. The reversal of 2144005013 is 3105004412.

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 2144005013 - 26 = 2144004949 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 (2144004013) 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, 157193 + ... + 170286.

It is an arithmetic number, because the mean of its divisors is an integer number (536084760).

Almost surely, 22144005013 is an apocalyptic number.

It is an amenable number.

2144005013 is a deficient number, since it is larger than the sum of its proper divisors (334027).

2144005013 is an equidigital number, since it uses as much as digits as its factorization.

2144005013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334026.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2144005013 is about 46303.4017432845. The cubic root of 2144005013 is about 1289.4621504384.

Adding to 2144005013 its reverse (3105004412), we get a palindrome (5249009425).

The spelling of 2144005013 in words is "two billion, one hundred forty-four million, five thousand, thirteen".

Divisors: 1 6547 327479 2144005013