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2775513089 = 9728613537
BaseRepresentation
bin1010010101101110…
…1111100000000001
321011102121200012002
42211123233200001
521141012404324
61135224513345
7125531320616
oct24533574001
97142550162
102775513089
1111a4783078
1265561b855
1335303574b
141c488c50d
151139ee3ae
hexa56ef801

2775513089 has 4 divisors (see below), whose sum is σ = 2804126724. Its totient is φ = 2746899456.

The previous prime is 2775513073. The next prime is 2775513127. The reversal of 2775513089 is 9803155772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2125671025 + 649842064 = 46105^2 + 25492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775513089 - 24 = 2775513073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2775513019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14306672 + ... + 14306865.

It is an arithmetic number, because the mean of its divisors is an integer number (701031681).

Almost surely, 22775513089 is an apocalyptic number.

It is an amenable number.

2775513089 is a deficient number, since it is larger than the sum of its proper divisors (28613635).

2775513089 is an equidigital number, since it uses as much as digits as its factorization.

2775513089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28613634.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 2775513089 is about 52683.1385644401. The cubic root of 2775513089 is about 1405.3389824714.

The spelling of 2775513089 in words is "two billion, seven hundred seventy-five million, five hundred thirteen thousand, eighty-nine".

Divisors: 1 97 28613537 2775513089