Base | Representation |
---|---|
bin | 11100011011111000… |
… | …001111111011011111 |
3 | 2220210212021202201100 |
4 | 130123320033323133 |
5 | 1000012310014330 |
6 | 22005413244143 |
7 | 2130423656346 |
oct | 343370177337 |
9 | 86725252640 |
10 | 30532501215 |
11 | 11a4888a087 |
12 | 5b01333653 |
13 | 2b577b9788 |
14 | 1699060b5d |
15 | bda762060 |
hex | 71be0fedf |
30532501215 has 12 divisors (see below), whose sum is σ = 52923002184. Its totient is φ = 16284000624.
The previous prime is 30532501171. The next prime is 30532501217. The reversal of 30532501215 is 51210523503.
It is a happy number.
30532501215 is a `hidden beast` number, since 3 + 0 + 532 + 5 + 0 + 121 + 5 = 666.
It is not a de Polignac number, because 30532501215 - 29 = 30532500703 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30532501217) 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, 339249969 + ... + 339250058.
It is an arithmetic number, because the mean of its divisors is an integer number (4410250182).
Almost surely, 230532501215 is an apocalyptic number.
30532501215 is a deficient number, since it is larger than the sum of its proper divisors (22390500969).
30532501215 is a wasteful number, since it uses less digits than its factorization.
30532501215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678500038 (or 678500035 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 27.
The spelling of 30532501215 in words is "thirty billion, five hundred thirty-two million, five hundred one thousand, two hundred fifteen".
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