Base | Representation |
---|---|
bin | 1101110110110011001110… |
… | …10011100010000101111111 |
3 | 10222212220222210121021222021 |
4 | 12323121213103202011333 |
5 | 12443211013134441310 |
6 | 144445455253101011 |
7 | 6263254506402145 |
oct | 673314723420577 |
9 | 128786883537867 |
10 | 30470231171455 |
11 | 9788397159009 |
12 | 3501402927767 |
13 | 140043b07447a |
14 | 774aa4b3d595 |
15 | 37c9022485da |
hex | 1bb6674e217f |
30470231171455 has 16 divisors (see below), whose sum is σ = 38580571612800. Its totient is φ = 23038112702880.
The previous prime is 30470231171321. The next prime is 30470231171461. The reversal of 30470231171455 is 55417113207403.
It is not a de Polignac number, because 30470231171455 - 217 = 30470231040383 is a prime.
It is a congruent 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, 382703961 + ... + 382783570.
It is an arithmetic number, because the mean of its divisors is an integer number (2411285725800).
Almost surely, 230470231171455 is an apocalyptic number.
30470231171455 is a deficient number, since it is larger than the sum of its proper divisors (8110340441345).
30470231171455 is a wasteful number, since it uses less digits than its factorization.
30470231171455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765487974.
The product of its (nonzero) digits is 352800, while the sum is 43.
Adding to 30470231171455 its reverse (55417113207403), we get a palindrome (85887344378858).
The spelling of 30470231171455 in words is "thirty trillion, four hundred seventy billion, two hundred thirty-one million, one hundred seventy-one thousand, four hundred fifty-five".
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