Base | Representation |
---|---|
bin | 111101111001110011… |
… | …101000001011000010 |
3 | 20100120021102122100020 |
4 | 331321303220023002 |
5 | 2042111312231331 |
6 | 50311321434310 |
7 | 4542066261435 |
oct | 757163501302 |
9 | 210507378306 |
10 | 66468086466 |
11 | 26209558171 |
12 | 10a7003b996 |
13 | 63637b60a2 |
14 | 330790b81c |
15 | 1ae04ecc96 |
hex | f79ce82c2 |
66468086466 has 32 divisors (see below), whose sum is σ = 134542902528. Its totient is φ = 21889190400.
The previous prime is 66468086459. The next prime is 66468086533.
It is a happy number.
66468086466 is nontrivially palindromic in base 10.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162130 + ... + 399026.
It is an arithmetic number, because the mean of its divisors is an integer number (4204465704).
Almost surely, 266468086466 is an apocalyptic number.
66468086466 is an abundant number, since it is smaller than the sum of its proper divisors (68074816062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66468086466 is a wasteful number, since it uses less digits than its factorization.
66468086466 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237466.
The product of its (nonzero) digits is 47775744, while the sum is 60.
The spelling of 66468086466 in words is "sixty-six billion, four hundred sixty-eight million, eighty-six thousand, four hundred sixty-six".
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