Base | Representation |
---|---|
bin | 11100100011110110… |
… | …011101101110110001 |
3 | 2221011011221222011221 |
4 | 130203312131232301 |
5 | 1000301030014220 |
6 | 22030552105041 |
7 | 2133636556063 |
oct | 344366355661 |
9 | 87134858157 |
10 | 30666251185 |
11 | 12007332449 |
12 | 5b3a095181 |
13 | 2b7941907b |
14 | 16acb19733 |
15 | be73819aa |
hex | 723d9dbb1 |
30666251185 has 8 divisors (see below), whose sum is σ = 36823864896. Its totient is φ = 24516758640.
The previous prime is 30666251167. The next prime is 30666251197. The reversal of 30666251185 is 58115266603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30666251185 - 217 = 30666120113 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021979 + ... + 2037088.
It is an arithmetic number, because the mean of its divisors is an integer number (4602983112).
Almost surely, 230666251185 is an apocalyptic number.
It is an amenable number.
30666251185 is a deficient number, since it is larger than the sum of its proper divisors (6157613711).
30666251185 is a wasteful number, since it uses less digits than its factorization.
30666251185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4060583.
The product of its (nonzero) digits is 259200, while the sum is 43.
The spelling of 30666251185 in words is "thirty billion, six hundred sixty-six million, two hundred fifty-one thousand, one hundred eighty-five".
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