Base | Representation |
---|---|
bin | 1101101111010000101000… |
… | …11110001101101000100001 |
3 | 10221222011020112022001201010 |
4 | 12313220110132031220201 |
5 | 12424434410204041140 |
6 | 144130450243331133 |
7 | 6235453204031346 |
oct | 667502436155041 |
9 | 127864215261633 |
10 | 30211143424545 |
11 | 9698523951026 |
12 | 347b156980aa9 |
13 | 13b1b8b2c1a55 |
14 | 7663273d47cd |
15 | 375cdb6bd880 |
hex | 1b7a1478da21 |
30211143424545 has 16 divisors (see below), whose sum is σ = 49897114301952. Its totient is φ = 15592848218880.
The previous prime is 30211143424499. The next prime is 30211143424603. The reversal of 30211143424545 is 54542434111203.
It is not a de Polignac number, because 30211143424545 - 28 = 30211143424289 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32485099992 + ... + 32485100921.
It is an arithmetic number, because the mean of its divisors is an integer number (3118569643872).
Almost surely, 230211143424545 is an apocalyptic number.
It is an amenable number.
30211143424545 is a deficient number, since it is larger than the sum of its proper divisors (19685970877407).
30211143424545 is a wasteful number, since it uses less digits than its factorization.
30211143424545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64970200952.
The product of its (nonzero) digits is 230400, while the sum is 39.
Adding to 30211143424545 its reverse (54542434111203), we get a palindrome (84753577535748).
The spelling of 30211143424545 in words is "thirty trillion, two hundred eleven billion, one hundred forty-three million, four hundred twenty-four thousand, five hundred forty-five".
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