Search a number
-
+
2301042181 is a prime number
BaseRepresentation
bin1000100100100111…
…0001111000000101
312221100211001110111
42021021301320011
514203031322211
61020155153021
7111010351534
oct21111617005
95840731414
102301042181
11a80973059
12542745771
132a894b629
1417b86031b
15d702a421
hex89271e05

2301042181 has 2 divisors, whose sum is σ = 2301042182. Its totient is φ = 2301042180.

The previous prime is 2301042167. The next prime is 2301042197. The reversal of 2301042181 is 1812401032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1573391556 + 727650625 = 39666^2 + 26975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301042181 - 29 = 2301041669 is a prime.

It is a super-2 number, since 2×23010421812 = 10589590237482473522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2301042581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150521090 + 1150521091.

It is an arithmetic number, because the mean of its divisors is an integer number (1150521091).

Almost surely, 22301042181 is an apocalyptic number.

It is an amenable number.

2301042181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301042181 is an equidigital number, since it uses as much as digits as its factorization.

2301042181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2301042181 is about 47969.1794905854. The cubic root of 2301042181 is about 1320.2054663710.

The spelling of 2301042181 in words is "two billion, three hundred one million, forty-two thousand, one hundred eighty-one".