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2756120313 = 3918706771
BaseRepresentation
bin1010010001000111…
…0000111011111001
321010002010102022010
42210101300323321
521121031322223
61133253120133
7125204431122
oct24421607371
97102112263
102756120313
111194837a91
1264b029049
1334c00582b
141c2081049
15111e6d393
hexa4470ef9

2756120313 has 4 divisors (see below), whose sum is σ = 3674827088. Its totient is φ = 1837413540.

The previous prime is 2756120287. The next prime is 2756120333. The reversal of 2756120313 is 3130216572.

2756120313 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 2756120313 - 25 = 2756120281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2756120333) 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, 459353383 + ... + 459353388.

It is an arithmetic number, because the mean of its divisors is an integer number (918706772).

Almost surely, 22756120313 is an apocalyptic number.

It is an amenable number.

2756120313 is a deficient number, since it is larger than the sum of its proper divisors (918706775).

2756120313 is an equidigital number, since it uses as much as digits as its factorization.

2756120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918706774.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2756120313 is about 52498.7648711853. The cubic root of 2756120313 is about 1402.0582502424.

Adding to 2756120313 its reverse (3130216572), we get a palindrome (5886336885).

It can be divided in two parts, 27561 and 20313, that added together give a palindrome (47874).

The spelling of 2756120313 in words is "two billion, seven hundred fifty-six million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 918706771 2756120313