Base | Representation |
---|---|
bin | 11100110010110110… |
… | …001110110010100001 |
3 | 2221210201101102102211 |
4 | 130302312032302201 |
5 | 1001304432120400 |
6 | 22111540442121 |
7 | 2143113242125 |
oct | 346266166241 |
9 | 87721342384 |
10 | 30917848225 |
11 | 12126356a90 |
12 | 5baa3a9341 |
13 | 2bb959a664 |
14 | 16d42cd585 |
15 | c0e4cddba |
hex | 732d8eca1 |
30917848225 has 12 divisors (see below), whose sum is σ = 41823416880. Its totient is φ = 22485707600.
The previous prime is 30917848189. The next prime is 30917848229. The reversal of 30917848225 is 52284871903.
It is not a de Polignac number, because 30917848225 - 229 = 30380977313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30917848229) 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, 56213995 + ... + 56214544.
It is an arithmetic number, because the mean of its divisors is an integer number (3485284740).
Almost surely, 230917848225 is an apocalyptic number.
It is an amenable number.
30917848225 is a deficient number, since it is larger than the sum of its proper divisors (10905568655).
30917848225 is a wasteful number, since it uses less digits than its factorization.
30917848225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112428560 (or 112428555 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 30917848225 in words is "thirty billion, nine hundred seventeen million, eight hundred forty-eight thousand, two hundred twenty-five".
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