Base | Representation |
---|---|
bin | 1000000111010… |
… | …01101011100010 |
3 | 11202002010000122 |
4 | 10003221223202 |
5 | 114411103033 |
6 | 10430520242 |
7 | 1454360126 |
oct | 403515342 |
9 | 152063018 |
10 | 68066018 |
11 | 35470009 |
12 | 1a966082 |
13 | 11142467 |
14 | 907b586 |
15 | 5e97a98 |
hex | 40e9ae2 |
68066018 has 16 divisors (see below), whose sum is σ = 110941440. Its totient is φ = 31201200.
The previous prime is 68065997. The next prime is 68066023. The reversal of 68066018 is 81066086.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27713 + ... + 30068.
It is an arithmetic number, because the mean of its divisors is an integer number (6933840).
Almost surely, 268066018 is an apocalyptic number.
68066018 is a deficient number, since it is larger than the sum of its proper divisors (42875422).
68066018 is a wasteful number, since it uses less digits than its factorization.
68066018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57833.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 68066018 is about 8250.2132093662. The cubic root of 68066018 is about 408.2975570303.
The spelling of 68066018 in words is "sixty-eight million, sixty-six thousand, eighteen".
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