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2956320085 = 55771024721
BaseRepresentation
bin1011000000110101…
…1101110101010101
321122000211121202111
42300031131311111
522023304220320
61205204111021
7133155206665
oct26015356525
97560747674
102956320085
111287847044
126a6095471
1338162ca34
142008b61a5
15124816a5a
hexb035dd55

2956320085 has 8 divisors (see below), whose sum is σ = 3553735896. Its totient is φ = 2360954880.

The previous prime is 2956320083. The next prime is 2956320109. The reversal of 2956320085 is 5800236592.

It can be written as a sum of positive squares in 4 ways, for example, as 272976484 + 2683343601 = 16522^2 + 51801^2 .

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

It is not a de Polignac number, because 2956320085 - 21 = 2956320083 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 (2956320083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509476 + ... + 515245.

It is an arithmetic number, because the mean of its divisors is an integer number (444216987).

Almost surely, 22956320085 is an apocalyptic number.

It is an amenable number.

2956320085 is a deficient number, since it is larger than the sum of its proper divisors (597415811).

2956320085 is a wasteful number, since it uses less digits than its factorization.

2956320085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025303.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2956320085 is about 54372.0524258557. The cubic root of 2956320085 is about 1435.2156166921.

The spelling of 2956320085 in words is "two billion, nine hundred fifty-six million, three hundred twenty thousand, eighty-five".

Divisors: 1 5 577 2885 1024721 5123605 591264017 2956320085