Search a number
-
+
5143418081 is a prime number
BaseRepresentation
bin1001100101001001…
…00101010011100001
3111021110020201011222
410302210211103201
541013203334311
62210213144425
7241313221664
oct46244452341
914243221158
105143418081
1121aa36414a
12bb662b115
1363c794969
1436b1556db
15201835adb
hex1329254e1

5143418081 has 2 divisors, whose sum is σ = 5143418082. Its totient is φ = 5143418080.

The previous prime is 5143418057. The next prime is 5143418083. The reversal of 5143418081 is 1808143415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3080805025 + 2062613056 = 55505^2 + 45416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5143418081 is a prime.

It is a super-2 number, since 2×51434180812 = 52909499111915445122, which contains 22 as substring.

Together with 5143418083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5143418083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571709040 + 2571709041.

It is an arithmetic number, because the mean of its divisors is an integer number (2571709041).

Almost surely, 25143418081 is an apocalyptic number.

It is an amenable number.

5143418081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5143418081 is an equidigital number, since it uses as much as digits as its factorization.

5143418081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 5143418081 is about 71717.6274077719. The cubic root of 5143418081 is about 1726.1715020244.

The spelling of 5143418081 in words is "five billion, one hundred forty-three million, four hundred eighteen thousand, eighty-one".