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2750086025 = 52110003441
BaseRepresentation
bin1010001111101010…
…1111101110001001
321002122202211210222
42203322233232021
521113010223100
61132515515425
7125102226341
oct24372575611
97078684728
102750086025
111191396375
12648bb8b75
1334a9a204b
141c134dd21
1511167a485
hexa3eafb89

2750086025 has 6 divisors (see below), whose sum is σ = 3410106702. Its totient is φ = 2200068800.

The previous prime is 2750085929. The next prime is 2750086033. The reversal of 2750086025 is 5206800572.

It can be written as a sum of positive squares in 3 ways, for example, as 105349696 + 2644736329 = 10264^2 + 51427^2 .

It is not a de Polignac number, because 2750086025 - 220 = 2749037449 is a prime.

It is a super-3 number, since 3×27500860253 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 55001696 + ... + 55001745.

It is an arithmetic number, because the mean of its divisors is an integer number (568351117).

Almost surely, 22750086025 is an apocalyptic number.

2750086025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2750086025 is a deficient number, since it is larger than the sum of its proper divisors (660020677).

2750086025 is a wasteful number, since it uses less digits than its factorization.

2750086025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110003451 (or 110003446 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2750086025 is about 52441.2626182856. The cubic root of 2750086025 is about 1401.0342739895.

Adding to 2750086025 its reverse (5206800572), we get a palindrome (7956886597).

The spelling of 2750086025 in words is "two billion, seven hundred fifty million, eighty-six thousand, twenty-five".

Divisors: 1 5 25 110003441 550017205 2750086025