Base | Representation |
---|---|
bin | 1111100101011… |
… | …00101100000011 |
3 | 100002222210212211 |
4 | 13302230230003 |
5 | 231431341010 |
6 | 20550002551 |
7 | 3145123141 |
oct | 762545403 |
9 | 302883784 |
10 | 130730755 |
11 | 67880a51 |
12 | 37946457 |
13 | 2111329c |
14 | 13510591 |
15 | b72508a |
hex | 7cacb03 |
130730755 has 8 divisors (see below), whose sum is σ = 160703424. Its totient is φ = 102033600.
The previous prime is 130730749. The next prime is 130730759. The reversal of 130730755 is 557037031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130730755 - 213 = 130722563 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130730759) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318651 + ... + 319060.
It is an arithmetic number, because the mean of its divisors is an integer number (20087928).
Almost surely, 2130730755 is an apocalyptic number.
130730755 is a deficient number, since it is larger than the sum of its proper divisors (29972669).
130730755 is an equidigital number, since it uses as much as digits as its factorization.
130730755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637757.
The product of its (nonzero) digits is 11025, while the sum is 31.
The square root of 130730755 is about 11433.7550699672. The cubic root of 130730755 is about 507.5271228841.
Adding to 130730755 its reverse (557037031), we get a palindrome (687767786).
The spelling of 130730755 in words is "one hundred thirty million, seven hundred thirty thousand, seven hundred fifty-five".
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