Base | Representation |
---|---|
bin | 11100010010111100… |
… | …100111100100000000 |
3 | 2220102102022121202101 |
4 | 130102330213210000 |
5 | 444210424323043 |
6 | 21542501400144 |
7 | 2123624164216 |
oct | 342274474400 |
9 | 86372277671 |
10 | 30382651648 |
11 | 1198123a968 |
12 | 5a7b109054 |
13 | 2b327411ab |
14 | 16831b4cb6 |
15 | bcc51224d |
hex | 712f27900 |
30382651648 has 36 divisors (see below), whose sum is σ = 60698576988. Its totient is φ = 15178311680.
The previous prime is 30382651643. The next prime is 30382651693. The reversal of 30382651648 is 84615628303.
It can be written as a sum of positive squares in 2 ways, for example, as 29683154944 + 699496704 = 172288^2 + 26448^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30382651598 and 30382651607.
It is not an unprimeable number, because it can be changed into a prime (30382651643) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252090 + ... + 352582.
It is an arithmetic number, because the mean of its divisors is an integer number (1686071583).
Almost surely, 230382651648 is an apocalyptic number.
It is an amenable number.
30382651648 is a deficient number, since it is larger than the sum of its proper divisors (30315925340).
30382651648 is a wasteful number, since it uses less digits than its factorization.
30382651648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101690 (or 101676 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 46.
The spelling of 30382651648 in words is "thirty billion, three hundred eighty-two million, six hundred fifty-one thousand, six hundred forty-eight".
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