Base | Representation |
---|---|
bin | 11011111100011000… |
… | …111101011111000111 |
3 | 2212110001012120020210 |
4 | 123330120331133013 |
5 | 442422034034021 |
6 | 21441142130503 |
7 | 2111350352550 |
oct | 337430753707 |
9 | 85401176223 |
10 | 30004205511 |
11 | 117a7656765 |
12 | 5994420a33 |
13 | 2aa2208377 |
14 | 1648c21327 |
15 | ba91a9e76 |
hex | 6fc63d7c7 |
30004205511 has 8 divisors (see below), whose sum is σ = 45720694144. Its totient is φ = 17145260280.
The previous prime is 30004205461. The next prime is 30004205513. The reversal of 30004205511 is 11550240003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30004205511 - 29 = 30004204999 is a prime.
It is a super-2 number, since 2×300042055112 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1428771691 = 30004205511 / (3 + 0 + 0 + 0 + 4 + 2 + 0 + 5 + 5 + 1 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30004205513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714385825 + ... + 714385866.
It is an arithmetic number, because the mean of its divisors is an integer number (5715086768).
Almost surely, 230004205511 is an apocalyptic number.
30004205511 is a deficient number, since it is larger than the sum of its proper divisors (15716488633).
30004205511 is a wasteful number, since it uses less digits than its factorization.
30004205511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1428771701.
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 30004205511 its reverse (11550240003), we get a palindrome (41554445514).
The spelling of 30004205511 in words is "thirty billion, four million, two hundred five thousand, five hundred eleven".
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