Base | Representation |
---|---|
bin | 1111100011101… |
… | …01010000101101 |
3 | 100002120021110022 |
4 | 13301311100231 |
5 | 231402104400 |
6 | 20541051525 |
7 | 3143156222 |
oct | 761652055 |
9 | 302507408 |
10 | 130503725 |
11 | 67736420 |
12 | 37856ba5 |
13 | 21063b51 |
14 | 13491949 |
15 | b6ccb85 |
hex | 7c7542d |
130503725 has 48 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 88651200.
The previous prime is 130503691. The next prime is 130503731. The reversal of 130503725 is 527305031.
It is not a de Polignac number, because 130503725 - 26 = 130503661 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130503694 and 130503703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297056 + ... + 297494.
It is an arithmetic number, because the mean of its divisors is an integer number (3928320).
Almost surely, 2130503725 is an apocalyptic number.
It is an amenable number.
130503725 is a deficient number, since it is larger than the sum of its proper divisors (58055635).
130503725 is a wasteful number, since it uses less digits than its factorization.
130503725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530 (or 525 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 26.
The square root of 130503725 is about 11423.8226964532. The cubic root of 130503725 is about 507.2331582714.
Adding to 130503725 its reverse (527305031), we get a palindrome (657808756).
The spelling of 130503725 in words is "one hundred thirty million, five hundred three thousand, seven hundred twenty-five".
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