Base | Representation |
---|---|
bin | 10000110010101011… |
… | …000000111100110010 |
3 | 1201112112122012121110 |
4 | 100302223000330302 |
5 | 243411140143231 |
6 | 12141033334150 |
7 | 1205541344232 |
oct | 206253007462 |
9 | 51475565543 |
10 | 18030006066 |
11 | 7712517466 |
12 | 35b2267356 |
13 | 1914508257 |
14 | c307dbcc2 |
15 | 707d34046 |
hex | 432ac0f32 |
18030006066 has 8 divisors (see below), whose sum is σ = 36060012144. Its totient is φ = 6010002020.
The previous prime is 18030006019. The next prime is 18030006083. The reversal of 18030006066 is 66060003081.
It is a sphenic number, since it is the product of 3 distinct primes.
18030006066 is an admirable number.
It is a super-2 number, since 2×180300060662 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502500500 + ... + 1502500511.
It is an arithmetic number, because the mean of its divisors is an integer number (4507501518).
Almost surely, 218030006066 is an apocalyptic number.
18030006066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18030006066 is a wasteful number, since it uses less digits than its factorization.
18030006066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3005001016.
The product of its (nonzero) digits is 5184, while the sum is 30.
The spelling of 18030006066 in words is "eighteen billion, thirty million, six thousand, sixty-six".
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