Base | Representation |
---|---|
bin | 11100011101010111… |
… | …110100101101001000 |
3 | 2220212121102122202212 |
4 | 130131113310231020 |
5 | 1000040213234103 |
6 | 22012110244252 |
7 | 2131146636113 |
oct | 343527645510 |
9 | 86777378685 |
10 | 30557555528 |
11 | 11a60a41825 |
12 | 5b097b6688 |
13 | 2b5ca4c606 |
14 | 169c50357a |
15 | bdca607d8 |
hex | 71d5f4b48 |
30557555528 has 8 divisors (see below), whose sum is σ = 57295416630. Its totient is φ = 15278777760.
The previous prime is 30557555521. The next prime is 30557555551. The reversal of 30557555528 is 82555575503.
It can be written as a sum of positive squares in only one way, i.e., 27929762884 + 2627792644 = 167122^2 + 51262^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (30557555521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909847213 + ... + 1909847228.
Almost surely, 230557555528 is an apocalyptic number.
It is an amenable number.
30557555528 is a deficient number, since it is larger than the sum of its proper divisors (26737861102).
30557555528 is a wasteful number, since it uses less digits than its factorization.
30557555528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3819694447 (or 3819694443 counting only the distinct ones).
The product of its (nonzero) digits is 5250000, while the sum is 50.
The spelling of 30557555528 in words is "thirty billion, five hundred fifty-seven million, five hundred fifty-five thousand, five hundred twenty-eight".
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