Search a number
-
+
300023100203081 is a prime number
BaseRepresentation
bin100010000110111101001001…
…0010011111110000001001001
31110100021221001201001111020012
41010031322102103332001021
5303311034302122444311
62542032413125441305
7120123645053115653
oct10415722223760111
91410257051044205
10300023100203081
118766209a529a52
12297965a1270235
13cb54098179038
1454132a47696d3
1524a445186378b
hex110de924fe049

300023100203081 has 2 divisors, whose sum is σ = 300023100203082. Its totient is φ = 300023100203080.

The previous prime is 300023100203039. The next prime is 300023100203117. The reversal of 300023100203081 is 180302001320003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292390677319225 + 7632422883856 = 17099435^2 + 2762684^2 .

It is an emirp because it is prime and its reverse (180302001320003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300023100203081 - 218 = 300023099940937 is a prime.

It is a super-2 number, since 2×3000231002030812 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (300023100203381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150011550101540 + 150011550101541.

It is an arithmetic number, because the mean of its divisors is an integer number (150011550101541).

Almost surely, 2300023100203081 is an apocalyptic number.

It is an amenable number.

300023100203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

300023100203081 is an equidigital number, since it uses as much as digits as its factorization.

300023100203081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 300023100203081 its reverse (180302001320003), we get a palindrome (480325101523084).

The spelling of 300023100203081 in words is "three hundred trillion, twenty-three billion, one hundred million, two hundred three thousand, eighty-one".