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2144000213 = 14991430287
BaseRepresentation
bin111111111001010…
…1101100011010101
312112102022111101022
41333302231203111
513342331001323
6552425210525
7104062462325
oct17762554325
95472274338
102144000213
11a00261103
124ba030a45
132822553a4
14164a61285
15c83594c8
hex7fcad8d5

2144000213 has 4 divisors (see below), whose sum is σ = 2145432000. Its totient is φ = 2142568428.

The previous prime is 2144000191. The next prime is 2144000219. The reversal of 2144000213 is 3120004412.

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 2144000213 - 210 = 2143999189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144000191 and 2144000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144000219) 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, 713645 + ... + 716642.

It is an arithmetic number, because the mean of its divisors is an integer number (536358000).

Almost surely, 22144000213 is an apocalyptic number.

It is an amenable number.

2144000213 is a deficient number, since it is larger than the sum of its proper divisors (1431787).

2144000213 is a wasteful number, since it uses less digits than its factorization.

2144000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431786.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2144000213 is about 46303.3499112105. The cubic root of 2144000213 is about 1289.4611881548.

Adding to 2144000213 its reverse (3120004412), we get a palindrome (5264004625).

The spelling of 2144000213 in words is "two billion, one hundred forty-four million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 1499 1430287 2144000213