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2110050025 = 52137616073
BaseRepresentation
bin111110111000100…
…1100111011101001
312110001102122110221
41331301030323221
513310133100100
6545213410041
7103201062226
oct17561147351
95401378427
102110050025
119930828a6
124aa799921
132781c9415
1416034494d
15c53a001a
hex7dc4cee9

2110050025 has 12 divisors (see below), whose sum is σ = 2635564572. Its totient is φ = 1675715840.

The previous prime is 2110050011. The next prime is 2110050043. The reversal of 2110050025 is 5200500112.

It can be written as a sum of positive squares in 6 ways, for example, as 179238544 + 1930811481 = 13388^2 + 43941^2 .

It is not a de Polignac number, because 2110050025 - 215 = 2110017257 is a prime.

It is a super-2 number, since 2×21100500252 = 8904622216005001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110049990 and 2110050008.

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 11 ways as a sum of consecutive naturals, for example, 304612 + ... + 311461.

It is an arithmetic number, because the mean of its divisors is an integer number (219630381).

Almost surely, 22110050025 is an apocalyptic number.

2110050025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2110050025 is a deficient number, since it is larger than the sum of its proper divisors (525514547).

2110050025 is a wasteful number, since it uses less digits than its factorization.

2110050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616220 (or 616215 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2110050025 is about 45935.2808307514. The cubic root of 2110050025 is about 1282.6187485596.

Adding to 2110050025 its reverse (5200500112), we get a palindrome (7310550137).

The spelling of 2110050025 in words is "two billion, one hundred ten million, fifty thousand, twenty-five".

Divisors: 1 5 25 137 685 3425 616073 3080365 15401825 84402001 422010005 2110050025