Base | Representation |
---|---|
bin | 11100001110101001… |
… | …000001000110101101 |
3 | 2220020101101002100000 |
4 | 130032221001012231 |
5 | 444033430421100 |
6 | 21531401054513 |
7 | 2122056121212 |
oct | 341651010655 |
9 | 86211332300 |
10 | 30310404525 |
11 | 119444845a5 |
12 | 5a5aa87439 |
13 | 2b2079690b |
14 | 1677769b09 |
15 | bc5ee0900 |
hex | 70ea411ad |
30310404525 has 144 divisors (see below), whose sum is σ = 59870918016. Its totient is φ = 15167243520.
The previous prime is 30310404517. The next prime is 30310404529. The reversal of 30310404525 is 52540401303.
30310404525 is a `hidden beast` number, since 30 + 3 + 104 + 0 + 4 + 525 = 666.
It is not a de Polignac number, because 30310404525 - 23 = 30310404517 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30310404529) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7403379 + ... + 7407471.
It is an arithmetic number, because the mean of its divisors is an integer number (415770264).
Almost surely, 230310404525 is an apocalyptic number.
It is an amenable number.
30310404525 is a deficient number, since it is larger than the sum of its proper divisors (29560513491).
30310404525 is a wasteful number, since it uses less digits than its factorization.
30310404525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4194 (or 4177 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 30310404525 its reverse (52540401303), we get a palindrome (82850805828).
The spelling of 30310404525 in words is "thirty billion, three hundred ten million, four hundred four thousand, five hundred twenty-five".
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