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2532513131 = 2987328039
BaseRepresentation
bin1001011011110011…
…0001010101101011
320112111100222220122
42112330301111223
520141310410011
61055144313455
7116521002131
oct22674612553
96474328818
102532513131
11108a5a0665
125a817288b
133148a42a5
141a04b5751
15ec4ee3db
hex96f3156b

2532513131 has 4 divisors (see below), whose sum is σ = 2619841200. Its totient is φ = 2445185064.

The previous prime is 2532513077. The next prime is 2532513161. The reversal of 2532513131 is 1313152352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2532513131 is a prime.

It is a super-2 number, since 2×25325131312 = 12827245517374846322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2532513131.

It is not an unprimeable number, because it can be changed into a prime (2532513161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43663991 + ... + 43664048.

It is an arithmetic number, because the mean of its divisors is an integer number (654960300).

Almost surely, 22532513131 is an apocalyptic number.

2532513131 is a deficient number, since it is larger than the sum of its proper divisors (87328069).

2532513131 is an equidigital number, since it uses as much as digits as its factorization.

2532513131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87328068.

The product of its digits is 2700, while the sum is 26.

The square root of 2532513131 is about 50324.0810248930. The cubic root of 2532513131 is about 1363.0670994061.

Adding to 2532513131 its reverse (1313152352), we get a palindrome (3845665483).

The spelling of 2532513131 in words is "two billion, five hundred thirty-two million, five hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 29 87328039 2532513131