Base | Representation |
---|---|
bin | 11100010101001100… |
… | …010111101010010111 |
3 | 2220112001020010221112 |
4 | 130111030113222113 |
5 | 444300101212010 |
6 | 21550325205235 |
7 | 2124562404032 |
oct | 342514275227 |
9 | 86461203845 |
10 | 30420335255 |
11 | 119a0539142 |
12 | 5a8b86081b |
13 | 2b3a4a659b |
14 | 16881c4019 |
15 | bd09a7a05 |
hex | 715317a97 |
30420335255 has 8 divisors (see below), whose sum is σ = 36677410224. Its totient is φ = 24220929600.
The previous prime is 30420335227. The next prime is 30420335269. The reversal of 30420335255 is 55253302403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30420335255 - 214 = 30420318871 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 7 ways as a sum of consecutive naturals, for example, 14416166 + ... + 14418275.
It is an arithmetic number, because the mean of its divisors is an integer number (4584676278).
Almost surely, 230420335255 is an apocalyptic number.
30420335255 is a deficient number, since it is larger than the sum of its proper divisors (6257074969).
30420335255 is a wasteful number, since it uses less digits than its factorization.
30420335255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28834657.
The product of its (nonzero) digits is 54000, while the sum is 32.
Adding to 30420335255 its reverse (55253302403), we get a palindrome (85673637658).
The spelling of 30420335255 in words is "thirty billion, four hundred twenty million, three hundred thirty-five thousand, two hundred fifty-five".
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