Base | Representation |
---|---|
bin | 1111100001111… |
… | …11000011000000 |
3 | 100002010222211211 |
4 | 13300333003000 |
5 | 231323003124 |
6 | 20532215504 |
7 | 3141242632 |
oct | 760770300 |
9 | 302128754 |
10 | 130281664 |
11 | 675a45a7 |
12 | 3776a594 |
13 | 20cb6a56 |
14 | 13434a52 |
15 | b686e94 |
hex | 7c3f0c0 |
130281664 has 28 divisors (see below), whose sum is σ = 259003800. Its totient is φ = 65020928.
The previous prime is 130281661. The next prime is 130281667. The reversal of 130281664 is 466182031.
It is a happy number.
130281664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (130281661) and next prime (130281667).
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (130281661) 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 3 ways as a sum of consecutive naturals, for example, 40632 + ... + 43720.
Almost surely, 2130281664 is an apocalyptic number.
It is an amenable number.
130281664 is a deficient number, since it is larger than the sum of its proper divisors (128722136).
130281664 is an equidigital number, since it uses as much as digits as its factorization.
130281664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3760 (or 3750 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 130281664 is about 11414.0993512410. The cubic root of 130281664 is about 506.9452976525.
The spelling of 130281664 in words is "one hundred thirty million, two hundred eighty-one thousand, six hundred sixty-four".
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