Base | Representation |
---|---|
bin | 1111100101111… |
… | …01111100010001 |
3 | 100010010101211020 |
4 | 13302331330101 |
5 | 231441121200 |
6 | 20551310053 |
7 | 3145536156 |
oct | 762757421 |
9 | 303111736 |
10 | 130801425 |
11 | 6791a057 |
12 | 3797b329 |
13 | 211394c1 |
14 | 1352c22d |
15 | b73aea0 |
hex | 7cbdf11 |
130801425 has 24 divisors (see below), whose sum is σ = 216590304. Its totient is φ = 69653760.
The previous prime is 130801421. The next prime is 130801427. The reversal of 130801425 is 524108031.
It is not a de Polignac number, because 130801425 - 22 = 130801421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130801395 and 130801404.
It is not an unprimeable number, because it can be changed into a prime (130801421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83449 + ... + 85001.
It is an arithmetic number, because the mean of its divisors is an integer number (9024596).
Almost surely, 2130801425 is an apocalyptic number.
130801425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130801425 is a deficient number, since it is larger than the sum of its proper divisors (85788879).
130801425 is a wasteful number, since it uses less digits than its factorization.
130801425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2689 (or 2684 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 130801425 is about 11436.8450632156. The cubic root of 130801425 is about 507.6185588556.
Adding to 130801425 its reverse (524108031), we get a palindrome (654909456).
The spelling of 130801425 in words is "one hundred thirty million, eight hundred one thousand, four hundred twenty-five".
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