Search a number
-
+
300132012221 = 417320292981
BaseRepresentation
bin1000101111000010100…
…00110001000010111101
31001200200201022221110122
410113201100301002331
514404132243342341
6345513450344325
730453360003536
oct4274120610275
91050621287418
10300132012221
11106315773008
124a20172b0a5
13223c12a0252
14107528a768d
157c1908894b
hex45e14310bd

300132012221 has 4 divisors (see below), whose sum is σ = 307452305244. Its totient is φ = 292811719200.

The previous prime is 300132012217. The next prime is 300132012223. The reversal of 300132012221 is 122210231003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90607020100 + 209524992121 = 301010^2 + 457739^2 .

It is a cyclic number.

It is not a de Polignac number, because 300132012221 - 22 = 300132012217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 300132012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300132012223) 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 in 3 ways as a sum of consecutive naturals, for example, 3660146450 + ... + 3660146531.

It is an arithmetic number, because the mean of its divisors is an integer number (76863076311).

Almost surely, 2300132012221 is an apocalyptic number.

It is an amenable number.

300132012221 is a deficient number, since it is larger than the sum of its proper divisors (7320293023).

300132012221 is an equidigital number, since it uses as much as digits as its factorization.

300132012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320293022.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 300132012221 its reverse (122210231003), we get a palindrome (422342243224).

The spelling of 300132012221 in words is "three hundred billion, one hundred thirty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 41 7320292981 300132012221