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2530753081 = 4007631583
BaseRepresentation
bin1001011011011000…
…0011101000111001
320112101001120120121
42112312003220321
520140333044311
61055042453241
7116500021603
oct22666035071
96471046517
102530753081
1110895a927a
125a7664221
1331440913c
141a0178173
15ec2a2b71
hex96d83a39

2530753081 has 4 divisors (see below), whose sum is σ = 2531388672. Its totient is φ = 2530117492.

The previous prime is 2530753067. The next prime is 2530753111. The reversal of 2530753081 is 1803570352.

2530753081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2530753081 - 221 = 2528655929 is a prime.

It is a super-2 number, since 2×25307530812 = 12809422313981985122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530753031) 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, 311785 + ... + 319798.

It is an arithmetic number, because the mean of its divisors is an integer number (632847168).

Almost surely, 22530753081 is an apocalyptic number.

It is an amenable number.

2530753081 is a deficient number, since it is larger than the sum of its proper divisors (635591).

2530753081 is an equidigital number, since it uses as much as digits as its factorization.

2530753081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635590.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2530753081 is about 50306.5908306258. The cubic root of 2530753081 is about 1362.7512573804.

The spelling of 2530753081 in words is "two billion, five hundred thirty million, seven hundred fifty-three thousand, eighty-one".

Divisors: 1 4007 631583 2530753081