Base | Representation |
---|---|
bin | 1111101111111… |
… | …1111100011111 |
3 | 11121022012101000 |
4 | 3323333330133 |
5 | 113402410223 |
6 | 10315521343 |
7 | 1431333636 |
oct | 373777437 |
9 | 147265330 |
10 | 66060063 |
11 | 3431a9a3 |
12 | 1a159253 |
13 | 108bc3c4 |
14 | 8ab851d |
15 | 5bed543 |
hex | 3efff1f |
66060063 has 8 divisors (see below), whose sum is σ = 97866800. Its totient is φ = 44040024.
The previous prime is 66060053. The next prime is 66060103. The reversal of 66060063 is 36006066.
It is not a de Polignac number, because 66060063 - 25 = 66060031 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2446669 = 66060063 / (6 + 6 + 0 + 6 + 0 + 0 + 6 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66060053) 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, 1223308 + ... + 1223361.
It is an arithmetic number, because the mean of its divisors is an integer number (12233350).
Almost surely, 266060063 is an apocalyptic number.
66060063 is a deficient number, since it is larger than the sum of its proper divisors (31806737).
66060063 is a wasteful number, since it uses less digits than its factorization.
66060063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2446678 (or 2446672 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 66060063 is about 8127.7341861062. The cubic root of 66060063 is about 404.2465552971.
The spelling of 66060063 in words is "sixty-six million, sixty thousand, sixty-three".
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