Base | Representation |
---|---|
bin | 11111000101110010111000… |
… | …00011101011100010110010 |
3 | 22222001222220120210200022010 |
4 | 33202321130003223202302 |
5 | 32430123332433331021 |
6 | 401224113024423350 |
7 | 20254325303314665 |
oct | 1742713403534262 |
9 | 288058816720263 |
10 | 68368833886386 |
11 | 1a86a0723a2250 |
12 | 7802408177b56 |
13 | 2c1c1cbc5a327 |
14 | 12c50d7d016dc |
15 | 7d866c242976 |
hex | 3e2e5c0eb8b2 |
68368833886386 has 64 divisors (see below), whose sum is σ = 149334045033600. Its totient is φ = 20694820016640.
The previous prime is 68368833886321. The next prime is 68368833886393.
68368833886386 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×683688338863862 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68368833886299 and 68368833886308.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792133640 + ... + 1792171788.
It is an arithmetic number, because the mean of its divisors is an integer number (2333344453650).
Almost surely, 268368833886386 is an apocalyptic number.
68368833886386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68368833886386 is an abundant number, since it is smaller than the sum of its proper divisors (80965211147214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68368833886386 is a wasteful number, since it uses less digits than its factorization.
68368833886386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67611.
The product of its digits is 27518828544, while the sum is 84.
The spelling of 68368833886386 in words is "sixty-eight trillion, three hundred sixty-eight billion, eight hundred thirty-three million, eight hundred eighty-six thousand, three hundred eighty-six".
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