Base | Representation |
---|---|
bin | 11111001101100101001000… |
… | …10001001101000111100101 |
3 | 100000000120101002021002101020 |
4 | 33212302210101031013211 |
5 | 32444014202320114220 |
6 | 401551032442521353 |
7 | 20312545216335003 |
oct | 1746624421150745 |
9 | 300016332232336 |
10 | 68636333363685 |
11 | 1a96256192482a |
12 | 7846221206259 |
13 | 2c3b4bc6407c9 |
14 | 12d403288da73 |
15 | 7e05c64e7040 |
hex | 3e6ca444d1e5 |
68636333363685 has 32 divisors (see below), whose sum is σ = 110951309989632. Its totient is φ = 36228325939200.
The previous prime is 68636333363629. The next prime is 68636333363687. The reversal of 68636333363685 is 58636333363686.
68636333363685 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 68636333363685 - 26 = 68636333363621 is a prime.
It is a super-3 number, since 3×686363333636853 (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 31 ways as a sum of consecutive naturals, for example, 276181752 + ... + 276430158.
It is an arithmetic number, because the mean of its divisors is an integer number (3467228437176).
Almost surely, 268636333363685 is an apocalyptic number.
It is an amenable number.
68636333363685 is a deficient number, since it is larger than the sum of its proper divisors (42314976625947).
68636333363685 is a wasteful number, since it uses less digits than its factorization.
68636333363685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 438413.
The product of its digits is 1813985280, while the sum is 69.
Subtracting from 68636333363685 its reverse (58636333363686), we obtain a palindrome (9999999999999).
The spelling of 68636333363685 in words is "sixty-eight trillion, six hundred thirty-six billion, three hundred thirty-three million, three hundred sixty-three thousand, six hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •