Base | Representation |
---|---|
bin | 100000000011100011… |
… | …0001100100010010111 |
3 | 20120200110212020021202 |
4 | 1000013012030202113 |
5 | 2111440131311323 |
6 | 51342440503115 |
7 | 4654611643106 |
oct | 1000706144227 |
9 | 216613766252 |
10 | 68838541463 |
11 | 2721562008a |
12 | 11411a7aa9b |
13 | 6650928b93 |
14 | 349067a03d |
15 | 1bcd689d28 |
hex | 100718c897 |
68838541463 has 4 divisors (see below), whose sum is σ = 68842135080. Its totient is φ = 68834947848.
The previous prime is 68838541381. The next prime is 68838541501. The reversal of 68838541463 is 36414583886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68838541463 - 224 = 68821764247 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68838541399 and 68838541408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68838511463) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767920 + ... + 1806437.
It is an arithmetic number, because the mean of its divisors is an integer number (17210533770).
Almost surely, 268838541463 is an apocalyptic number.
68838541463 is a deficient number, since it is larger than the sum of its proper divisors (3593617).
68838541463 is a wasteful number, since it uses less digits than its factorization.
68838541463 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3593616.
The product of its digits is 13271040, while the sum is 56.
The spelling of 68838541463 in words is "sixty-eight billion, eight hundred thirty-eight million, five hundred forty-one thousand, four hundred sixty-three".
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