Base | Representation |
---|---|
bin | 11100001011110111… |
… | …010100001110101001 |
3 | 2220010010201102001121 |
4 | 130023313110032221 |
5 | 443440014234400 |
6 | 21523014415241 |
7 | 2120652143641 |
oct | 341367241651 |
9 | 86103642047 |
10 | 30263821225 |
11 | 11920157900 |
12 | 5a47361521 |
13 | 2b13c36731 |
14 | 16714c1521 |
15 | bc1d8d21a |
hex | 70bdd43a9 |
30263821225 has 27 divisors (see below), whose sum is σ = 41261883159. Its totient is φ = 22003093200.
The previous prime is 30263821223. The next prime is 30263821241. The reversal of 30263821225 is 52212836203.
The square root of 30263821225 is 173965.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 10894975641 + 19368845584 = 104379^2 + 139172^2 .
It is not a de Polignac number, because 30263821225 - 21 = 30263821223 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30263821223) 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 26 ways as a sum of consecutive naturals, for example, 9566494 + ... + 9569656.
Almost surely, 230263821225 is an apocalyptic number.
30263821225 is the 173965-th square number.
30263821225 is the 86983-rd centered octagonal number.
It is an amenable number.
30263821225 is a deficient number, since it is larger than the sum of its proper divisors (10998061934).
30263821225 is an frugal number, since it uses more digits than its factorization.
30263821225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6358 (or 3179 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 34.
The spelling of 30263821225 in words is "thirty billion, two hundred sixty-three million, eight hundred twenty-one thousand, two hundred twenty-five".
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