Base | Representation |
---|---|
bin | 111110010010100000… |
… | …011101011111111000 |
3 | 20101122011012122102110 |
4 | 332102200131133320 |
5 | 2043433404224113 |
6 | 50420403532320 |
7 | 4555260543144 |
oct | 762240353770 |
9 | 211564178373 |
10 | 66882492408 |
11 | 26401472516 |
12 | 10b6698a0a0 |
13 | 63cb5cc7c4 |
14 | 3346982224 |
15 | 1b16aa9bc3 |
hex | f9281d7f8 |
66882492408 has 32 divisors (see below), whose sum is σ = 167232033360. Its totient is φ = 22290723840.
The previous prime is 66882492283. The next prime is 66882492409. The reversal of 66882492408 is 80429428866.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66882492409) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53785 + ... + 369672.
Almost surely, 266882492408 is an apocalyptic number.
It is an amenable number.
66882492408 is an abundant number, since it is smaller than the sum of its proper divisors (100349540952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66882492408 is a wasteful number, since it uses less digits than its factorization.
66882492408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430047 (or 430043 counting only the distinct ones).
The product of its (nonzero) digits is 10616832, while the sum is 57.
The spelling of 66882492408 in words is "sixty-six billion, eight hundred eighty-two million, four hundred ninety-two thousand, four hundred eight".
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