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5311097287 = 13938209333
BaseRepresentation
bin1001111001001000…
…01110100111000111
3111201010202200210221
410330210032213013
541334120103122
62235003125211
7245420403436
oct47444164707
914633680727
105311097287
112285a81001
121042813807
13668443822
1438552311d
152114086c7
hex13c90e9c7

5311097287 has 4 divisors (see below), whose sum is σ = 5349306760. Its totient is φ = 5272887816.

The previous prime is 5311097263. The next prime is 5311097317. The reversal of 5311097287 is 7827901135.

5311097287 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 7827901135 = 51565580227.

It is a cyclic number.

It is not a de Polignac number, because 5311097287 - 223 = 5302708679 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 (5311097257) 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 3 ways as a sum of consecutive naturals, for example, 19104528 + ... + 19104805.

It is an arithmetic number, because the mean of its divisors is an integer number (1337326690).

Almost surely, 25311097287 is an apocalyptic number.

5311097287 is a deficient number, since it is larger than the sum of its proper divisors (38209473).

5311097287 is a wasteful number, since it uses less digits than its factorization.

5311097287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38209472.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 5311097287 is about 72877.2755185044. The cubic root of 5311097287 is about 1744.7294251839.

The spelling of 5311097287 in words is "five billion, three hundred eleven million, ninety-seven thousand, two hundred eighty-seven".

Divisors: 1 139 38209333 5311097287