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2500005055025 = 52100000202201
BaseRepresentation
bin100100011000010011111…
…010011100101000110001
322211222221122120101101202
4210120103322130220301
5311430002243230100
65152253024340545
7345422312230202
oct44302372345061
98758848511352
102500005055025
11884278751195
12344626774755
13151998761c8a
148900262b5a9
154506e2ad7d5
hex24613e9ca31

2500005055025 has 6 divisors (see below), whose sum is σ = 3100006268262. Its totient is φ = 2000004044000.

The previous prime is 2500005055019. The next prime is 2500005055039. The reversal of 2500005055025 is 5205505000052.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35076794944 + 2464928260081 = 187288^2 + 1570009^2 .

It is not a de Polignac number, because 2500005055025 - 220 = 2500004006449 is a prime.

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, 50000101076 + ... + 50000101125.

It is an arithmetic number, because the mean of its divisors is an integer number (516667711377).

Almost surely, 22500005055025 is an apocalyptic number.

2500005055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500005055025 is a deficient number, since it is larger than the sum of its proper divisors (600001213237).

2500005055025 is a wasteful number, since it uses less digits than its factorization.

2500005055025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000202211 (or 100000202206 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 2500005055025 in words is "two trillion, five hundred billion, five million, fifty-five thousand, twenty-five".

Divisors: 1 5 25 100000202201 500001011005 2500005055025