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2502545013 = 32278060557
BaseRepresentation
bin1001010100101001…
…1100111001110101
320110101222110101100
42111022130321311
520111122420023
61052154120313
7116005165413
oct22512347165
96411873340
102502545013
111074692121
1259a120099
1330b610987
1419a5142b3
15e9a7ec43
hex9529ce75

2502545013 has 6 divisors (see below), whose sum is σ = 3614787254. Its totient is φ = 1668363336.

The previous prime is 2502545011. The next prime is 2502545021. The reversal of 2502545013 is 3105452052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1800983844 + 701561169 = 42438^2 + 26487^2 .

It is not a de Polignac number, because 2502545013 - 21 = 2502545011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502545011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139030270 + ... + 139030287.

Almost surely, 22502545013 is an apocalyptic number.

It is an amenable number.

2502545013 is a deficient number, since it is larger than the sum of its proper divisors (1112242241).

2502545013 is a wasteful number, since it uses less digits than its factorization.

2502545013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278060563 (or 278060560 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2502545013 is about 50025.4436562036. The cubic root of 2502545013 is about 1357.6692006470.

Adding to 2502545013 its reverse (3105452052), we get a palindrome (5607997065).

The spelling of 2502545013 in words is "two billion, five hundred two million, five hundred forty-five thousand, thirteen".

Divisors: 1 3 9 278060557 834181671 2502545013