Base | Representation |
---|---|
bin | 1111100101010… |
… | …10100100000000 |
3 | 100002222100221100 |
4 | 13302222210000 |
5 | 231431101143 |
6 | 20545454400 |
7 | 3145055562 |
oct | 762524400 |
9 | 302870840 |
10 | 130722048 |
11 | 67875456 |
12 | 37941400 |
13 | 2110c332 |
14 | 1350b332 |
15 | b7226d3 |
hex | 7caa900 |
130722048 has 54 divisors (see below), whose sum is σ = 376910534. Its totient is φ = 43573248.
The previous prime is 130722047. The next prime is 130722077. The reversal of 130722048 is 840227031.
It can be written as a sum of positive squares in only one way, i.e., 115605504 + 15116544 = 10752^2 + 3888^2 .
It is not an unprimeable number, because it can be changed into a prime (130722047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26065 + ... + 30672.
Almost surely, 2130722048 is an apocalyptic number.
130722048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
130722048 is an abundant number, since it is smaller than the sum of its proper divisors (246188486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130722048 is an equidigital number, since it uses as much as digits as its factorization.
130722048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56759 (or 56742 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 130722048 is about 11433.3743050772. The cubic root of 130722048 is about 507.5158551025.
Adding to 130722048 its reverse (840227031), we get a palindrome (970949079).
The spelling of 130722048 in words is "one hundred thirty million, seven hundred twenty-two thousand, forty-eight".
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