Base | Representation |
---|---|
bin | 1101110010011101011110… |
… | …01000010011011011101101 |
3 | 10222100200002110012101010221 |
4 | 12321032233020103123231 |
5 | 12433240114224111023 |
6 | 144253154322531341 |
7 | 6246425300233126 |
oct | 671165710233355 |
9 | 128320073171127 |
10 | 30321112332013 |
11 | 9730125494928 |
12 | 3498527206b51 |
13 | 13bc3652235b9 |
14 | 76b79a40304d |
15 | 378ac5bc385d |
hex | 1b93af2136ed |
30321112332013 has 4 divisors (see below), whose sum is σ = 30338409032188. Its totient is φ = 30303815631840.
The previous prime is 30321112331989. The next prime is 30321112332041. The reversal of 30321112332013 is 31023321112303.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11986461849609 + 18334650482404 = 3462147^2 + 4281898^2 .
It is a cyclic number.
It is not a de Polignac number, because 30321112332013 - 25 = 30321112331981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30321112332073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8648347458 + ... + 8648350963.
It is an arithmetic number, because the mean of its divisors is an integer number (7584602258047).
Almost surely, 230321112332013 is an apocalyptic number.
It is an amenable number.
30321112332013 is a deficient number, since it is larger than the sum of its proper divisors (17296700175).
30321112332013 is a wasteful number, since it uses less digits than its factorization.
30321112332013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17296700174.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30321112332013 its reverse (31023321112303), we get a palindrome (61344433444316).
The spelling of 30321112332013 in words is "thirty trillion, three hundred twenty-one billion, one hundred twelve million, three hundred thirty-two thousand, thirteen".
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