Base | Representation |
---|---|
bin | 1101111000010000010110… |
… | …01000110001111000001101 |
3 | 11000001201000220210022000011 |
4 | 12330020023020301320031 |
5 | 13000020404430044310 |
6 | 144524444134433221 |
7 | 6300004420326001 |
oct | 674101310617015 |
9 | 130051026708004 |
10 | 30520224456205 |
11 | 97a7611054870 |
12 | 350b035502811 |
13 | 1405077602773 |
14 | 777288602701 |
15 | 37dd7b21378a |
hex | 1bc20b231e0d |
30520224456205 has 16 divisors (see below), whose sum is σ = 41242578974208. Its totient is φ = 21480509880000.
The previous prime is 30520224456203. The next prime is 30520224456247. The reversal of 30520224456205 is 50265442202503.
It is not a de Polignac number, because 30520224456205 - 21 = 30520224456203 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 (30520224456203) 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, 8950210746 + ... + 8950214155.
It is an arithmetic number, because the mean of its divisors is an integer number (2577661185888).
Almost surely, 230520224456205 is an apocalyptic number.
It is an amenable number.
30520224456205 is a deficient number, since it is larger than the sum of its proper divisors (10722354518003).
30520224456205 is a wasteful number, since it uses less digits than its factorization.
30520224456205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17900424948.
The product of its (nonzero) digits is 576000, while the sum is 40.
Adding to 30520224456205 its reverse (50265442202503), we get a palindrome (80785666658708).
The spelling of 30520224456205 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-four million, four hundred fifty-six thousand, two hundred five".
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