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2580279853 is a prime number
BaseRepresentation
bin1001100111001011…
…1111001000101101
320122211020210112111
42121302333020231
520241022423403
61104012204021
7120641005534
oct23162771055
96584223474
102580279853
111104556498
12600169611
1332175a018
141a698b31b
151017d756d
hex99cbf22d

2580279853 has 2 divisors, whose sum is σ = 2580279854. Its totient is φ = 2580279852.

The previous prime is 2580279851. The next prime is 2580279869. The reversal of 2580279853 is 3589720852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2123089929 + 457189924 = 46077^2 + 21382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580279853 - 21 = 2580279851 is a prime.

Together with 2580279851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2580279797 and 2580279806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580279851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290139926 + 1290139927.

It is an arithmetic number, because the mean of its divisors is an integer number (1290139927).

Almost surely, 22580279853 is an apocalyptic number.

It is an amenable number.

2580279853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580279853 is an equidigital number, since it uses as much as digits as its factorization.

2580279853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 2580279853 is about 50796.4551223803. The cubic root of 2580279853 is about 1371.5835584487.

The spelling of 2580279853 in words is "two billion, five hundred eighty million, two hundred seventy-nine thousand, eight hundred fifty-three".