Base | Representation |
---|---|
bin | 1101101111010000111011… |
… | …11011100011111011111101 |
3 | 10221222011122120220021101002 |
4 | 12313220131323203323331 |
5 | 12424440221320104041 |
6 | 144130514112500045 |
7 | 6235460141616101 |
oct | 667503573437375 |
9 | 127864576807332 |
10 | 30211302113021 |
11 | 96985a5488027 |
12 | 347b19bb4a625 |
13 | 13b1bb5143563 |
14 | 766340501901 |
15 | 375cea5b759b |
hex | 1b7a1dee3efd |
30211302113021 has 8 divisors (see below), whose sum is σ = 31996752765120. Its totient is φ = 28426775375808.
The previous prime is 30211302112963. The next prime is 30211302113029. The reversal of 30211302113021 is 12031120311203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30211302113021 - 222 = 30211297918717 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30211302112984 and 30211302113002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211302113029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230911391 + ... + 231042188.
It is an arithmetic number, because the mean of its divisors is an integer number (3999594095640).
Almost surely, 230211302113021 is an apocalyptic number.
It is an amenable number.
30211302113021 is a deficient number, since it is larger than the sum of its proper divisors (1785450652099).
30211302113021 is a wasteful number, since it uses less digits than its factorization.
30211302113021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461957443.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 30211302113021 its reverse (12031120311203), we get a palindrome (42242422424224).
The spelling of 30211302113021 in words is "thirty trillion, two hundred eleven billion, three hundred two million, one hundred thirteen thousand, twenty-one".
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