Search a number
-
+
213560756255 = 57113791463597
BaseRepresentation
bin1100011011100100110…
…1101000100000011111
3202102020102020110221002
43012321031220200133
511444333023200010
6242035232100515
721300143322350
oct3067115504037
9672212213832
10213560756255
1182630530080
123548109473b
13171a59291c2
14a49d0d9d27
15584dc411a5
hex31b936881f

213560756255 has 32 divisors (see below), whose sum is σ = 320352330240. Its totient is φ = 132777429120.

The previous prime is 213560756249. The next prime is 213560756281. The reversal of 213560756255 is 552657065312.

It is a happy number.

213560756255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213560756255 - 28 = 213560755999 is a prime.

It is a super-2 number, since 2×2135607562552 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 585884 + ... + 877713.

It is an arithmetic number, because the mean of its divisors is an integer number (10011010320).

Almost surely, 2213560756255 is an apocalyptic number.

213560756255 is a deficient number, since it is larger than the sum of its proper divisors (106791573985).

213560756255 is a wasteful number, since it uses less digits than its factorization.

213560756255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463999.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 213560756255 in words is "two hundred thirteen billion, five hundred sixty million, seven hundred fifty-six thousand, two hundred fifty-five".

Divisors: 1 5 7 11 35 55 77 379 385 1895 2653 4169 13265 20845 29183 145915 1463597 7317985 10245179 16099567 51225895 80497835 112696969 554703263 563484845 2773516315 3882922841 6101735893 19414614205 30508679465 42712151251 213560756255