Search a number
-
+
2139095017 is a prime number
BaseRepresentation
bin111111101111111…
…1111111111101001
312112002002021201101
41333133333333221
513340102020032
6552132121401
7104003002423
oct17737777751
95462067641
102139095017
119a8510824
124b8466261
132812287c7
14164145813
15c7bdade7
hex7f7fffe9

2139095017 has 2 divisors, whose sum is σ = 2139095018. Its totient is φ = 2139095016.

The previous prime is 2139095011. The next prime is 2139095053. The reversal of 2139095017 is 7105909312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1913975001 + 225120016 = 43749^2 + 15004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2139095017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139095011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069547508 + 1069547509.

It is an arithmetic number, because the mean of its divisors is an integer number (1069547509).

Almost surely, 22139095017 is an apocalyptic number.

It is an amenable number.

2139095017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139095017 is an equidigital number, since it uses as much as digits as its factorization.

2139095017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 2139095017 is about 46250.3515337992. The cubic root of 2139095017 is about 1288.4770636190.

The spelling of 2139095017 in words is "two billion, one hundred thirty-nine million, ninety-five thousand, seventeen".