Base | Representation |
---|---|
bin | 11100001000010000… |
… | …001001111111011001 |
3 | 2212221220200202022212 |
4 | 130020100021333121 |
5 | 443324011132100 |
6 | 21513011524505 |
7 | 2116315111502 |
oct | 341020117731 |
9 | 85856622285 |
10 | 30203224025 |
11 | 11899a29277 |
12 | 5a2abb9735 |
13 | 2b0450a9c0 |
14 | 1667429ba9 |
15 | bbb8bd635 |
hex | 708409fd9 |
30203224025 has 24 divisors (see below), whose sum is σ = 40351505880. Its totient is φ = 22293642240.
The previous prime is 30203223983. The next prime is 30203224027. The reversal of 30203224025 is 52042230203.
It can be written as a sum of positive squares in 12 ways, for example, as 8522428489 + 21680795536 = 92317^2 + 147244^2 .
It is a de Polignac number, because none of the positive numbers 2k-30203224025 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30203224027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724961 + ... + 765489.
It is an arithmetic number, because the mean of its divisors is an integer number (1681312745).
Almost surely, 230203224025 is an apocalyptic number.
It is an amenable number.
30203224025 is a deficient number, since it is larger than the sum of its proper divisors (10148281855).
30203224025 is a wasteful number, since it uses less digits than its factorization.
30203224025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42845 (or 42840 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 23.
Adding to 30203224025 its reverse (52042230203), we get a palindrome (82245454228).
The spelling of 30203224025 in words is "thirty billion, two hundred three million, two hundred twenty-four thousand, twenty-five".
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