Base | Representation |
---|---|
bin | 11011111111010001… |
… | …011001000001100101 |
3 | 2212120102011212021022 |
4 | 123333101121001211 |
5 | 443021423142210 |
6 | 21450030300525 |
7 | 2112505325012 |
oct | 337721310145 |
9 | 85512155238 |
10 | 30052552805 |
11 | 11821978800 |
12 | 59a8657745 |
13 | 2aac235432 |
14 | 1651408709 |
15 | bad55a155 |
hex | 6ff459065 |
30052552805 has 12 divisors (see below), whose sum is σ = 39639566316. Its totient is φ = 21856401600.
The previous prime is 30052552793. The next prime is 30052552823. The reversal of 30052552805 is 50825525003.
It can be written as a sum of positive squares in 2 ways, for example, as 23331340516 + 6721212289 = 152746^2 + 81983^2 .
It is not a de Polignac number, because 30052552805 - 212 = 30052548709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24836216 + ... + 24837425.
It is an arithmetic number, because the mean of its divisors is an integer number (3303297193).
Almost surely, 230052552805 is an apocalyptic number.
It is an amenable number.
30052552805 is a deficient number, since it is larger than the sum of its proper divisors (9587013511).
30052552805 is a wasteful number, since it uses less digits than its factorization.
30052552805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49673668 (or 49673657 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 35.
The spelling of 30052552805 in words is "thirty billion, fifty-two million, five hundred fifty-two thousand, eight hundred five".
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