Base | Representation |
---|---|
bin | 11100011001111110… |
… | …001101011100001010 |
3 | 2220201122002102021011 |
4 | 130121332031130022 |
5 | 444431112300300 |
6 | 22002311434134 |
7 | 2126555024035 |
oct | 343176153412 |
9 | 86648072234 |
10 | 30500509450 |
11 | 11a31819204 |
12 | 5ab268594a |
13 | 2b50c98038 |
14 | 1694ad401c |
15 | bd7a42eba |
hex | 719f8d70a |
30500509450 has 24 divisors (see below), whose sum is σ = 56738877408. Its totient is φ = 12198498480.
The previous prime is 30500509343. The next prime is 30500509451. The reversal of 30500509450 is 5490500503.
It is not an unprimeable number, because it can be changed into a prime (30500509451) 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 in 11 ways as a sum of consecutive naturals, for example, 355459 + ... + 432841.
It is an arithmetic number, because the mean of its divisors is an integer number (2364119892).
Almost surely, 230500509450 is an apocalyptic number.
30500509450 is a deficient number, since it is larger than the sum of its proper divisors (26238367958).
30500509450 is a wasteful number, since it uses less digits than its factorization.
30500509450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85278 (or 85273 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 31.
The spelling of 30500509450 in words is "thirty billion, five hundred million, five hundred nine thousand, four hundred fifty".
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