Base | Representation |
---|---|
bin | 111101111101101100… |
… | …100101100001101100 |
3 | 20100201211020100101001 |
4 | 331331230211201230 |
5 | 2042230014140414 |
6 | 50322012330044 |
7 | 4543521065560 |
oct | 757554454154 |
9 | 210654210331 |
10 | 66533349484 |
11 | 26242383248 |
12 | 10a89a73924 |
13 | 6374186764 |
14 | 33124596a0 |
15 | 1ae60e0074 |
hex | f7db2586c |
66533349484 has 48 divisors (see below), whose sum is σ = 141139595520. Its totient is φ = 26807302080.
The previous prime is 66533349473. The next prime is 66533349527. The reversal of 66533349484 is 48494333566.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407647 + ... + 547030.
It is an arithmetic number, because the mean of its divisors is an integer number (2940408240).
Almost surely, 266533349484 is an apocalyptic number.
It is an amenable number.
66533349484 is an abundant number, since it is smaller than the sum of its proper divisors (74606246036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66533349484 is a wasteful number, since it uses less digits than its factorization.
66533349484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 954838 (or 954836 counting only the distinct ones).
The product of its digits is 22394880, while the sum is 55.
The spelling of 66533349484 in words is "sixty-six billion, five hundred thirty-three million, three hundred forty-nine thousand, four hundred eighty-four".
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