Base | Representation |
---|---|
bin | 11100001110101001… |
… | …001101000100010001 |
3 | 2220020101110120112200 |
4 | 130032221031010101 |
5 | 444033434003041 |
6 | 21531402113413 |
7 | 2122056414105 |
oct | 341651150421 |
9 | 86211416480 |
10 | 30310453521 |
11 | 11944508397 |
12 | 5a5aaab869 |
13 | 2b207b2cca |
14 | 167777d905 |
15 | bc60001b6 |
hex | 70ea4d111 |
30310453521 has 12 divisors (see below), whose sum is σ = 44309258448. Its totient is φ = 19963511064.
The previous prime is 30310453463. The next prime is 30310453531. The reversal of 30310453521 is 12535401303.
30310453521 is a `hidden beast` number, since 3 + 0 + 3 + 104 + 535 + 21 = 666.
It is not a de Polignac number, because 30310453521 - 211 = 30310451473 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30310453531) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20287375 + ... + 20288868.
It is an arithmetic number, because the mean of its divisors is an integer number (3692438204).
Almost surely, 230310453521 is an apocalyptic number.
It is an amenable number.
30310453521 is a deficient number, since it is larger than the sum of its proper divisors (13998804927).
30310453521 is a wasteful number, since it uses less digits than its factorization.
30310453521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40576332 (or 40576329 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 30310453521 its reverse (12535401303), we get a palindrome (42845854824).
The spelling of 30310453521 in words is "thirty billion, three hundred ten million, four hundred fifty-three thousand, five hundred twenty-one".
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