Base | Representation |
---|---|
bin | 11100011000011001… |
… | …000010001001000000 |
3 | 2220122210011220210021 |
4 | 130120121002021000 |
5 | 444402320032444 |
6 | 21555523143224 |
7 | 2126113420024 |
oct | 343031021100 |
9 | 86583156707 |
10 | 30473986624 |
11 | 11a18853214 |
12 | 5aa5814b14 |
13 | 2b4863c963 |
14 | 169138c384 |
15 | bd5554584 |
hex | 718642240 |
30473986624 has 21 divisors (see below), whose sum is σ = 60474588601. Its totient is φ = 15236295040.
The previous prime is 30473986519. The next prime is 30473986651. The reversal of 30473986624 is 42668937403.
It is a happy number.
The square root of 30473986624 is 174568.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 18108546624 + 12365440000 = 134568^2 + 111200^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1385634 + ... + 1407454.
Almost surely, 230473986624 is an apocalyptic number.
30473986624 is the 174568-th square number.
It is an amenable number.
30473986624 is a deficient number, since it is larger than the sum of its proper divisors (30000601977).
30473986624 is an frugal number, since it uses more digits than its factorization.
30473986624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43654 (or 21823 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 52.
The spelling of 30473986624 in words is "thirty billion, four hundred seventy-three million, nine hundred eighty-six thousand, six hundred twenty-four".
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