Search a number
-
+
5723400181 is a prime number
BaseRepresentation
bin1010101010010010…
…00010011111110101
3112202212120212001111
411111021002133311
543210142301211
62343532155021
7261555045622
oct52511023765
915685525044
105723400181
11247778a2a4
121138908a71
137029a1c35
143c41ab349
152376ec421
hex1552427f5

5723400181 has 2 divisors, whose sum is σ = 5723400182. Its totient is φ = 5723400180.

The previous prime is 5723400143. The next prime is 5723400209. The reversal of 5723400181 is 1810043275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4189972900 + 1533427281 = 64730^2 + 39159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5723400181 is a prime.

It is a super-2 number, since 2×57234001812 = 65514619263741665522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5723400101) 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, 2861700090 + 2861700091.

It is an arithmetic number, because the mean of its divisors is an integer number (2861700091).

Almost surely, 25723400181 is an apocalyptic number.

It is an amenable number.

5723400181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5723400181 is an equidigital number, since it uses as much as digits as its factorization.

5723400181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 5723400181 is about 75653.1571119144. The cubic root of 5723400181 is about 1788.7571015639.

The spelling of 5723400181 in words is "five billion, seven hundred twenty-three million, four hundred thousand, one hundred eighty-one".