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5218684069 = 6777890807
BaseRepresentation
bin1001101110000111…
…01100110010100101
3111110200212121201011
410313003230302211
541141440342234
62221502302221
7243216040234
oct46703546245
914420777634
105218684069
1122388a1645
121017887971
13652258351
14377148b1b
15208251b64
hex1370ecca5

5218684069 has 4 divisors (see below), whose sum is σ = 5296574944. Its totient is φ = 5140793196.

The previous prime is 5218684063. The next prime is 5218684109. The reversal of 5218684069 is 9604868125.

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 5218684069 - 213 = 5218675877 is a prime.

It is a super-2 number, since 2×52186840692 = 54469326824068793522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218684063) 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, 38945337 + ... + 38945470.

It is an arithmetic number, because the mean of its divisors is an integer number (1324143736).

Almost surely, 25218684069 is an apocalyptic number.

It is an amenable number.

5218684069 is a deficient number, since it is larger than the sum of its proper divisors (77890875).

5218684069 is an equidigital number, since it uses as much as digits as its factorization.

5218684069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77890874.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 5218684069 is about 72240.4600552903. The cubic root of 5218684069 is about 1734.5507139189.

The spelling of 5218684069 in words is "five billion, two hundred eighteen million, six hundred eighty-four thousand, sixty-nine".

Divisors: 1 67 77890807 5218684069