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2530511125 = 5320244089
BaseRepresentation
bin1001011011010100…
…1000100100010101
320112100121021200021
42112311020210111
520140302324000
61055033345141
7116464663312
oct22665104425
96470537607
102530511125
11108945350a
125a75681b1
13314352c7c
141a0113d09
15ec25611a
hex96d48915

2530511125 has 8 divisors (see below), whose sum is σ = 3158078040. Its totient is φ = 2024408800.

The previous prime is 2530511111. The next prime is 2530511167. The reversal of 2530511125 is 5211150352.

It can be written as a sum of positive squares in 4 ways, for example, as 718561636 + 1811949489 = 26806^2 + 42567^2 .

It is not a de Polignac number, because 2530511125 - 211 = 2530509077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2530511125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10121920 + ... + 10122169.

It is an arithmetic number, because the mean of its divisors is an integer number (394759755).

Almost surely, 22530511125 is an apocalyptic number.

2530511125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530511125 is a deficient number, since it is larger than the sum of its proper divisors (627566915).

2530511125 is an equidigital number, since it uses as much as digits as its factorization.

2530511125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244104 (or 20244094 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2530511125 is about 50304.1859590233. The cubic root of 2530511125 is about 1362.7078267834.

Adding to 2530511125 its reverse (5211150352), we get a palindrome (7741661477).

The spelling of 2530511125 in words is "two billion, five hundred thirty million, five hundred eleven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 20244089 101220445 506102225 2530511125