Base | Representation |
---|---|
bin | 1111100100001… |
… | …10110010010001 |
3 | 100002200220220211 |
4 | 13302012302101 |
5 | 231411404010 |
6 | 20542404121 |
7 | 3143605414 |
oct | 762066221 |
9 | 302626824 |
10 | 130575505 |
11 | 67785345 |
12 | 37890641 |
13 | 2108a718 |
14 | 134adb7b |
15 | b6e408a |
hex | 7c86c91 |
130575505 has 12 divisors (see below), whose sum is σ = 165373812. Its totient is φ = 98961120.
The previous prime is 130575457. The next prime is 130575509. The reversal of 130575505 is 505575031.
It can be written as a sum of positive squares in 2 ways, for example, as 84566416 + 46009089 = 9196^2 + 6783^2 .
It is not a de Polignac number, because 130575505 - 27 = 130575377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130575509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34366 + ... + 37975.
It is an arithmetic number, because the mean of its divisors is an integer number (13781151).
Almost surely, 2130575505 is an apocalyptic number.
It is an amenable number.
130575505 is a deficient number, since it is larger than the sum of its proper divisors (34798307).
130575505 is an equidigital number, since it uses as much as digits as its factorization.
130575505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72384 (or 72365 counting only the distinct ones).
The product of its (nonzero) digits is 13125, while the sum is 31.
The square root of 130575505 is about 11426.9639449856. The cubic root of 130575505 is about 507.3261377958.
The spelling of 130575505 in words is "one hundred thirty million, five hundred seventy-five thousand, five hundred five".
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