Base | Representation |
---|---|
bin | 111111100010100001… |
… | …000010111000111111 |
3 | 20112002201001002121122 |
4 | 333202201002320333 |
5 | 2104211023312342 |
6 | 51201514421155 |
7 | 4633450266026 |
oct | 774241027077 |
9 | 215081032548 |
10 | 68224822847 |
11 | 26a30152215 |
12 | 112804317bb |
13 | 6583738c7c |
14 | 3432d618bd |
15 | 1b9485c4d2 |
hex | fe2842e3f |
68224822847 has 16 divisors (see below), whose sum is σ = 72348536832. Its totient is φ = 64222256160.
The previous prime is 68224822843. The next prime is 68224822849. The reversal of 68224822847 is 74822842286.
It is a cyclic number.
It is not a de Polignac number, because 68224822847 - 22 = 68224822843 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68224822843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6655508 + ... + 6665750.
It is an arithmetic number, because the mean of its divisors is an integer number (4521783552).
Almost surely, 268224822847 is an apocalyptic number.
68224822847 is a deficient number, since it is larger than the sum of its proper divisors (4123713985).
68224822847 is a wasteful number, since it uses less digits than its factorization.
68224822847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16118.
The product of its digits is 5505024, while the sum is 53.
The spelling of 68224822847 in words is "sixty-eight billion, two hundred twenty-four million, eight hundred twenty-two thousand, eight hundred forty-seven".
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