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2578056263 = 5377362927
BaseRepresentation
bin1001100110101010…
…0000010001000111
320122200001211100022
42121222200101013
520234440300023
61103452405355
7120613055006
oct23152402107
96580054308
102578056263
111103277912
125bb47685b
1332115bba3
141a656cc3d
151014e87c8
hex99aa0447

2578056263 has 8 divisors (see below), whose sum is σ = 2630138688. Its totient is φ = 2526101344.

The previous prime is 2578056253. The next prime is 2578056323. The reversal of 2578056263 is 3626508752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2578056263 - 212 = 2578052167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578056253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9506 + ... + 72432.

It is an arithmetic number, because the mean of its divisors is an integer number (328767336).

Almost surely, 22578056263 is an apocalyptic number.

2578056263 is a deficient number, since it is larger than the sum of its proper divisors (52082425).

2578056263 is an equidigital number, since it uses as much as digits as its factorization.

2578056263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63753.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2578056263 is about 50774.5631492778. The cubic root of 2578056263 is about 1371.1894518456.

The spelling of 2578056263 in words is "two billion, five hundred seventy-eight million, fifty-six thousand, two hundred sixty-three".

Divisors: 1 53 773 40969 62927 3335131 48642571 2578056263