Base | Representation |
---|---|
bin | 1101110010001010110101… |
… | …00010100010011011001101 |
3 | 10222022201020220021100122011 |
4 | 12321011122202202123031 |
5 | 12433104114410224323 |
6 | 144244421212421221 |
7 | 6245622252142666 |
oct | 671053242423315 |
9 | 128281226240564 |
10 | 30311103211213 |
11 | 9726959610270 |
12 | 34965b3177811 |
13 | 13bb42b691806 |
14 | 76b0cad8836d |
15 | 3786dc11320d |
hex | 1b915a8a26cd |
30311103211213 has 16 divisors (see below), whose sum is σ = 33336225708480. Its totient is φ = 27331249302400.
The previous prime is 30311103211099. The next prime is 30311103211223. The reversal of 30311103211213 is 31211230111303.
It is a cyclic number.
It is not a de Polignac number, because 30311103211213 - 213 = 30311103203021 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 (30311103211223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6735703 + ... + 10295236.
It is an arithmetic number, because the mean of its divisors is an integer number (2083514106780).
Almost surely, 230311103211213 is an apocalyptic number.
It is an amenable number.
30311103211213 is a deficient number, since it is larger than the sum of its proper divisors (3025122497267).
30311103211213 is a wasteful number, since it uses less digits than its factorization.
30311103211213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17032268.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 30311103211213 its reverse (31211230111303), we get a palindrome (61522333322516).
The spelling of 30311103211213 in words is "thirty trillion, three hundred eleven billion, one hundred three million, two hundred eleven thousand, two hundred thirteen".
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