Search a number
-
+
2143401307 is a prime number
BaseRepresentation
bin111111111000001…
…1011010101011011
312112101012001211121
41333300123111123
513342202320212
6552404310111
7104054416255
oct17760332533
95471161747
102143401307
119aa992143
124b99a2337
132820a58c8
14164946cd5
15c828bd07
hex7fc1b55b

2143401307 has 2 divisors, whose sum is σ = 2143401308. Its totient is φ = 2143401306.

The previous prime is 2143401283. The next prime is 2143401341. The reversal of 2143401307 is 7031043412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2143401307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143401367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071700653 + 1071700654.

It is an arithmetic number, because the mean of its divisors is an integer number (1071700654).

Almost surely, 22143401307 is an apocalyptic number.

2143401307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143401307 is an equidigital number, since it uses as much as digits as its factorization.

2143401307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2143401307 is about 46296.8822600399. The cubic root of 2143401307 is about 1289.3411107472.

Adding to 2143401307 its reverse (7031043412), we get a palindrome (9174444719).

The spelling of 2143401307 in words is "two billion, one hundred forty-three million, four hundred one thousand, three hundred seven".