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2655518279 is a prime number
BaseRepresentation
bin1001111001000111…
…1111111001000111
320212001211022020212
42132101333321013
520414303041104
61115300550035
7122543350541
oct23621777107
96761738225
102655518279
111142a75207
126213b231b
13334210cbb
141b2974691
151081ea36e
hex9e47fe47

2655518279 has 2 divisors, whose sum is σ = 2655518280. Its totient is φ = 2655518278.

The previous prime is 2655518273. The next prime is 2655518297. The reversal of 2655518279 is 9728155562.

Together with next prime (2655518297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2655518279 - 220 = 2654469703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655518273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327759139 + 1327759140.

It is an arithmetic number, because the mean of its divisors is an integer number (1327759140).

Almost surely, 22655518279 is an apocalyptic number.

2655518279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655518279 is an equidigital number, since it uses as much as digits as its factorization.

2655518279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 50.

The square root of 2655518279 is about 51531.7210948751. The cubic root of 2655518279 is about 1384.7873843755.

The spelling of 2655518279 in words is "two billion, six hundred fifty-five million, five hundred eighteen thousand, two hundred seventy-nine".