Base | Representation |
---|---|
bin | 111111100001011100… |
… | …011101010101011000 |
3 | 20112001110012122012200 |
4 | 333201130131111120 |
5 | 2104141422440344 |
6 | 51200033210200 |
7 | 4633141413222 |
oct | 774134352530 |
9 | 215043178180 |
10 | 68206843224 |
11 | 26a20a91923 |
12 | 11276400960 |
13 | 657cab2340 |
14 | 3430801412 |
15 | 1b92eaa069 |
hex | fe171d558 |
68206843224 has 48 divisors (see below), whose sum is σ = 198936628800. Its totient is φ = 20986720704.
The previous prime is 68206843223. The next prime is 68206843247. The reversal of 68206843224 is 42234860286.
68206843224 is a `hidden beast` number, since 6 + 8 + 206 + 8 + 432 + 2 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 68206843224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68206843223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36434344 + ... + 36436215.
It is an arithmetic number, because the mean of its divisors is an integer number (4144513100).
Almost surely, 268206843224 is an apocalyptic number.
It is an amenable number.
68206843224 is an abundant number, since it is smaller than the sum of its proper divisors (130729785576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68206843224 is a wasteful number, since it uses less digits than its factorization.
68206843224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72870584 (or 72870577 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 45.
The spelling of 68206843224 in words is "sixty-eight billion, two hundred six million, eight hundred forty-three thousand, two hundred twenty-four".
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