Base | Representation |
---|---|
bin | 1101101100011000001100… |
… | …10110010000111100000111 |
3 | 10221121200122120102021120110 |
4 | 12312030012112100330013 |
5 | 12421324111241241403 |
6 | 144013152403204103 |
7 | 6225346313435031 |
oct | 666140626207407 |
9 | 127550576367513 |
10 | 30112122212103 |
11 | 965a52aa70568 |
12 | 3463b20976633 |
13 | 13a573a503259 |
14 | 76161235cc51 |
15 | 373443375103 |
hex | 1b6306590f07 |
30112122212103 has 16 divisors (see below), whose sum is σ = 40419589248000. Its totient is φ = 19939705881120.
The previous prime is 30112122212057. The next prime is 30112122212131. The reversal of 30112122212103 is 30121222121103.
It is not a de Polignac number, because 30112122212103 - 216 = 30112122146567 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30112122212103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30112122217103) 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, 30009238 + ... + 30996428.
It is an arithmetic number, because the mean of its divisors is an integer number (2526224328000).
Almost surely, 230112122212103 is an apocalyptic number.
30112122212103 is a deficient number, since it is larger than the sum of its proper divisors (10307467035897).
30112122212103 is a wasteful number, since it uses less digits than its factorization.
30112122212103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1055582.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 30112122212103 its reverse (30121222121103), we get a palindrome (60233344333206).
The spelling of 30112122212103 in words is "thirty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred three".
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