Base | Representation |
---|---|
bin | 1111100001010… |
… | …11111100100001 |
3 | 100002000000112002 |
4 | 13300223330201 |
5 | 231313002200 |
6 | 20530413345 |
7 | 3140465552 |
oct | 760537441 |
9 | 302000462 |
10 | 130203425 |
11 | 67550840 |
12 | 37731255 |
13 | 20c8a261 |
14 | 13414329 |
15 | b66dbd5 |
hex | 7c2bf21 |
130203425 has 24 divisors (see below), whose sum is σ = 186496992. Its totient is φ = 89120000.
The previous prime is 130203373. The next prime is 130203431. The reversal of 130203425 is 524302031.
It is a happy number.
It is not a de Polignac number, because 130203425 - 26 = 130203361 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130203397 and 130203406.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9251 + ... + 18600.
It is an arithmetic number, because the mean of its divisors is an integer number (7770708).
Almost surely, 2130203425 is an apocalyptic number.
It is an amenable number.
130203425 is a deficient number, since it is larger than the sum of its proper divisors (56293567).
130203425 is a wasteful number, since it uses less digits than its factorization.
130203425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27889 (or 27884 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 130203425 is about 11410.6715402732. The cubic root of 130203425 is about 506.8437974765.
Adding to 130203425 its reverse (524302031), we get a palindrome (654505456).
The spelling of 130203425 in words is "one hundred thirty million, two hundred three thousand, four hundred twenty-five".
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