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2805848485 = 51151015427
BaseRepresentation
bin1010011100111101…
…1101100110100101
321020112200212112021
42213033131212211
521221244122420
61142231023141
7126350214166
oct24717354645
97215625467
102805848485
11120a912550
1266380aab1
133593c729b
141c890776d
151164e27aa
hexa73dd9a5

2805848485 has 8 divisors (see below), whose sum is σ = 3673110816. Its totient is φ = 2040617040.

The previous prime is 2805848483. The next prime is 2805848519. The reversal of 2805848485 is 5848485082.

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

It is not a de Polignac number, because 2805848485 - 21 = 2805848483 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 (2805848483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25507659 + ... + 25507768.

It is an arithmetic number, because the mean of its divisors is an integer number (459138852).

Almost surely, 22805848485 is an apocalyptic number.

It is an amenable number.

2805848485 is a deficient number, since it is larger than the sum of its proper divisors (867262331).

2805848485 is a wasteful number, since it uses less digits than its factorization.

2805848485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51015443.

The product of its (nonzero) digits is 3276800, while the sum is 52.

The square root of 2805848485 is about 52970.2603825958. The cubic root of 2805848485 is about 1410.4403977844.

The spelling of 2805848485 in words is "two billion, eight hundred five million, eight hundred forty-eight thousand, four hundred eighty-five".

Divisors: 1 5 11 55 51015427 255077135 561169697 2805848485