Base | Representation |
---|---|
bin | 1111100110010… |
… | …00001110000101 |
3 | 100010012112120111 |
4 | 13303020032011 |
5 | 231443443100 |
6 | 20552233021 |
7 | 3146103001 |
oct | 763101605 |
9 | 303175514 |
10 | 130843525 |
11 | 6794874a |
12 | 3799b771 |
13 | 21152707 |
14 | 1353d701 |
15 | b7486ba |
hex | 7cc8385 |
130843525 has 6 divisors (see below), whose sum is σ = 162246002. Its totient is φ = 104674800.
The previous prime is 130843499. The next prime is 130843541. The reversal of 130843525 is 525348031.
It can be written as a sum of positive squares in 3 ways, for example, as 24980004 + 105863521 = 4998^2 + 10289^2 .
It is a de Polignac number, because none of the positive numbers 2k-130843525 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 2616846 + ... + 2616895.
Almost surely, 2130843525 is an apocalyptic number.
It is an amenable number.
130843525 is a deficient number, since it is larger than the sum of its proper divisors (31402477).
130843525 is an equidigital number, since it uses as much as digits as its factorization.
130843525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5233751 (or 5233746 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 130843525 is about 11438.6854576914. The cubic root of 130843525 is about 507.6730140445.
The spelling of 130843525 in words is "one hundred thirty million, eight hundred forty-three thousand, five hundred twenty-five".
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