Base | Representation |
---|---|
bin | 1111100010100… |
… | …01011111111111 |
3 | 100002021211112012 |
4 | 13301101133333 |
5 | 231332412442 |
6 | 20534001435 |
7 | 3142006166 |
oct | 761213777 |
9 | 302254465 |
10 | 130357247 |
11 | 67646369 |
12 | 377a627b |
13 | 21012287 |
14 | 134543dd |
15 | b69e582 |
hex | 7c517ff |
130357247 has 4 divisors (see below), whose sum is σ = 130931736. Its totient is φ = 129782760.
The previous prime is 130357237. The next prime is 130357289. The reversal of 130357247 is 742753031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130357247 - 24 = 130357231 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130357217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286904 + ... + 287357.
It is an arithmetic number, because the mean of its divisors is an integer number (32732934).
Almost surely, 2130357247 is an apocalyptic number.
130357247 is a deficient number, since it is larger than the sum of its proper divisors (574489).
130357247 is an equidigital number, since it uses as much as digits as its factorization.
130357247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 574488.
The product of its (nonzero) digits is 17640, while the sum is 32.
The square root of 130357247 is about 11417.4098200949. The cubic root of 130357247 is about 507.0433135919.
The spelling of 130357247 in words is "one hundred thirty million, three hundred fifty-seven thousand, two hundred forty-seven".
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