Base | Representation |
---|---|
bin | 11111001000100101100101… |
… | …10000011101100000110110 |
3 | 22222102011120002002202122010 |
4 | 33210102302300131200312 |
5 | 32433211331100341421 |
6 | 401340141254345050 |
7 | 20264263005550512 |
oct | 1744226260354066 |
9 | 288364502082563 |
10 | 68464777746486 |
11 | 1a8a682718a410 |
12 | 7818b2365b186 |
13 | 2c2827c320394 |
14 | 12c99da397142 |
15 | 7dadd5318076 |
hex | 3e44b2c1d836 |
68464777746486 has 32 divisors (see below), whose sum is σ = 149381468027136. Its totient is φ = 20746378580000.
The previous prime is 68464777746457. The next prime is 68464777746493.
68464777746486 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×684647777464863 (a number of 42 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68464777746399 and 68464777746408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10456065 + ... + 15692636.
It is an arithmetic number, because the mean of its divisors is an integer number (4668170875848).
Almost surely, 268464777746486 is an apocalyptic number.
68464777746486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68464777746486 is an abundant number, since it is smaller than the sum of its proper divisors (80916690280650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68464777746486 is a wasteful number, since it uses less digits than its factorization.
68464777746486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26188388.
The product of its digits is 50982027264, while the sum is 84.
The spelling of 68464777746486 in words is "sixty-eight trillion, four hundred sixty-four billion, seven hundred seventy-seven million, seven hundred forty-six thousand, four hundred eighty-six".
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