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2139258311 is a prime number
BaseRepresentation
bin111111110000010…
…0111110111000111
312112002101120201022
41333200213313013
513340122231221
6552135421355
7104004252461
oct17740476707
95462346638
102139258311
119a8612483
124b852485b
13281284c28
14164189131
15c7c1e4ab
hex7f827dc7

2139258311 has 2 divisors, whose sum is σ = 2139258312. Its totient is φ = 2139258310.

The previous prime is 2139258281. The next prime is 2139258337. The reversal of 2139258311 is 1138529312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2139258311 - 222 = 2135064007 is a prime.

It is a super-2 number, since 2×21392583112 = 9152852242365145442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139258361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069629155 + 1069629156.

It is an arithmetic number, because the mean of its divisors is an integer number (1069629156).

Almost surely, 22139258311 is an apocalyptic number.

2139258311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139258311 is an equidigital number, since it uses as much as digits as its factorization.

2139258311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 2139258311 is about 46252.1168272329. The cubic root of 2139258311 is about 1288.5098493248.

The spelling of 2139258311 in words is "two billion, one hundred thirty-nine million, two hundred fifty-eight thousand, three hundred eleven".