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5218169286 = 2311213215441
BaseRepresentation
bin1001101110000011…
…01111000111000110
3111110122220110120010
410313001233013012
541141322404121
62221443251050
7243211464351
oct46701570706
914418813503
105218169286
11223857a900
121017679a86
13652107c45
14377053298
1520819e376
hex13706f1c6

5218169286 has 48 divisors (see below), whose sum is σ = 11482141104. Its totient is φ = 1579776000.

The previous prime is 5218169249. The next prime is 5218169309. The reversal of 5218169286 is 6829618125.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 956326 + ... + 961766.

It is an arithmetic number, because the mean of its divisors is an integer number (239211273).

Almost surely, 25218169286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218169286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5741070552).

5218169286 is an abundant number, since it is smaller than the sum of its proper divisors (6263971818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5218169286 is a wasteful number, since it uses less digits than its factorization.

5218169286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789 (or 6778 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 5218169286 is about 72236.8969848512. The cubic root of 5218169286 is about 1734.4936786862.

The spelling of 5218169286 in words is "five billion, two hundred eighteen million, one hundred sixty-nine thousand, two hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 1321 2642 3963 5441 7926 10882 14531 16323 29062 32646 43593 59851 87186 119702 159841 179553 319682 359106 479523 658361 959046 1316722 1975083 3950166 7187561 14375122 21562683 43125366 79063171 158126342 237189513 474379026 869694881 1739389762 2609084643 5218169286