Search a number
-
+
130457273 is a prime number
BaseRepresentation
bin1111100011010…
…01111010111001
3100002110220201212
413301221322321
5231344113043
620540052505
73142603622
oct761517271
9302426655
10130457273
1167704531
1237834135
132104896b
141347ca49
15b6be018
hex7c69eb9

130457273 has 2 divisors, whose sum is σ = 130457274. Its totient is φ = 130457272.

The previous prime is 130457263. The next prime is 130457279. The reversal of 130457273 is 372754031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 200704 = 11413^2 + 448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130457273 is a prime.

It is not a weakly prime, because it can be changed into another prime (130457279) 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 as a sum of consecutive naturals, namely, 65228636 + 65228637.

It is an arithmetic number, because the mean of its divisors is an integer number (65228637).

Almost surely, 2130457273 is an apocalyptic number.

It is an amenable number.

130457273 is a deficient number, since it is larger than the sum of its proper divisors (1).

130457273 is an equidigital number, since it uses as much as digits as its factorization.

130457273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 130457273 is about 11421.7893957120. The cubic root of 130457273 is about 507.1729689529.

The spelling of 130457273 in words is "one hundred thirty million, four hundred fifty-seven thousand, two hundred seventy-three".