Search a number
-
+
221033130002305 = 5172989668612577
BaseRepresentation
bin110010010000011101001001…
…001100101000011110000001
31001222121120010212110111001121
4302100131021030220132001
5212432401322240033210
62102033115041032241
764362055004430445
oct6220351114503601
91058546125414047
10221033130002305
1164478695623375
1220959850025681
1396444475045ba
143c820bc2da825
151a848a3e886da
hexc90749328781

221033130002305 has 16 divisors (see below), whose sum is σ = 290526304752720. Its totient is φ = 160686153736192.

The previous prime is 221033130002299. The next prime is 221033130002329. The reversal of 221033130002305 is 503200031330122.

It can be written as a sum of positive squares in 8 ways, for example, as 21002825757456 + 200030304244849 = 4582884^2 + 14143207^2 .

It is a cyclic number.

It is not a de Polignac number, because 221033130002305 - 25 = 221033130002273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221033130002305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44834303824 + ... + 44834308753.

It is an arithmetic number, because the mean of its divisors is an integer number (18157894047045).

Almost surely, 2221033130002305 is an apocalyptic number.

It is an amenable number.

221033130002305 is a deficient number, since it is larger than the sum of its proper divisors (69493174750415).

221033130002305 is a wasteful number, since it uses less digits than its factorization.

221033130002305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89668612628.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 221033130002305 its reverse (503200031330122), we get a palindrome (724233161332427).

The spelling of 221033130002305 in words is "two hundred twenty-one trillion, thirty-three billion, one hundred thirty million, two thousand, three hundred five".

Divisors: 1 5 17 29 85 145 493 2465 89668612577 448343062885 1524366413809 2600389764733 7621832069045 13001948823665 44206626000461 221033130002305