Search a number
-
+
68636333363686 = 21126264911878337
BaseRepresentation
bin11111001101100101001000…
…10001001101000111100110
3100000000120101002021002101021
433212302210101031013212
532444014202320114221
6401551032442521354
720312545216335004
oct1746624421150746
9300016332232337
1068636333363686
111a962561924830
12784622120625a
132c3b4bc6407ca
1412d403288da74
157e05c64e7041
hex3e6ca444d1e6

68636333363686 has 16 divisors (see below), whose sum is σ = 112314437125200. Its totient is φ = 31198211937280.

The previous prime is 68636333363629. The next prime is 68636333363687.

68636333363686 is nontrivially palindromic in base 10.

68636333363686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×686363333636863 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68636333363687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160891 + ... + 11717446.

It is an arithmetic number, because the mean of its divisors is an integer number (7019652320325).

Almost surely, 268636333363686 is an apocalyptic number.

68636333363686 is a deficient number, since it is larger than the sum of its proper divisors (43678103761514).

68636333363686 is a wasteful number, since it uses less digits than its factorization.

68636333363686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140999.

The product of its digits is 2176782336, while the sum is 70.

The spelling of 68636333363686 in words is "sixty-eight trillion, six hundred thirty-six billion, three hundred thirty-three million, three hundred sixty-three thousand, six hundred eighty-six".

Divisors: 1 2 11 22 262649 525298 2889139 5778278 11878337 23756674 130661707 261323414 3119833334713 6239666669426 34318166681843 68636333363686