Base | Representation |
---|---|
bin | 11011111101010110… |
… | …011110011100110001 |
3 | 2212111011112211200201 |
4 | 123331112132130301 |
5 | 442440201100223 |
6 | 21442515515201 |
7 | 2111634414550 |
oct | 337526363461 |
9 | 85434484621 |
10 | 30020331313 |
11 | 11805770275 |
12 | 59998b8b01 |
13 | 2aa566326b |
14 | 164b01bd97 |
15 | baa7e2ead |
hex | 6fd59e731 |
30020331313 has 8 divisors (see below), whose sum is σ = 34312414400. Its totient is φ = 25729114320.
The previous prime is 30020331307. The next prime is 30020331317. The reversal of 30020331313 is 31313302003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30020331313 - 213 = 30020323121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30020331317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140463 + ... + 282436.
It is an arithmetic number, because the mean of its divisors is an integer number (4289051800).
Almost surely, 230020331313 is an apocalyptic number.
It is an amenable number.
30020331313 is a deficient number, since it is larger than the sum of its proper divisors (4292083087).
30020331313 is a wasteful number, since it uses less digits than its factorization.
30020331313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433047.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 30020331313 its reverse (31313302003), we get a palindrome (61333633316).
The spelling of 30020331313 in words is "thirty billion, twenty million, three hundred thirty-one thousand, three hundred thirteen".
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