Base | Representation |
---|---|
bin | 1111100000000… |
… | …01000100110001 |
3 | 100001200002122101 |
4 | 13300001010301 |
5 | 231241342300 |
6 | 20522540401 |
7 | 3136134604 |
oct | 760010461 |
9 | 301602571 |
10 | 130027825 |
11 | 67440914 |
12 | 37667701 |
13 | 20c28355 |
14 | 133aa33b |
15 | b636b6a |
hex | 7c01131 |
130027825 has 6 divisors (see below), whose sum is σ = 161234534. Its totient is φ = 104022240.
The previous prime is 130027823. The next prime is 130027831. The reversal of 130027825 is 528720031.
It can be written as a sum of positive squares in 3 ways, for example, as 39929761 + 90098064 = 6319^2 + 9492^2 .
It is not a de Polignac number, because 130027825 - 21 = 130027823 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130027793 and 130027802.
It is not an unprimeable number, because it can be changed into a prime (130027823) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2600532 + ... + 2600581.
Almost surely, 2130027825 is an apocalyptic number.
It is an amenable number.
130027825 is a deficient number, since it is larger than the sum of its proper divisors (31206709).
130027825 is an equidigital number, since it uses as much as digits as its factorization.
130027825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5201123 (or 5201118 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 130027825 is about 11402.9743926749. The cubic root of 130027825 is about 506.6158418451.
Adding to 130027825 its reverse (528720031), we get a palindrome (658747856).
The spelling of 130027825 in words is "one hundred thirty million, twenty-seven thousand, eight hundred twenty-five".
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