Search a number
-
+
2143033117 is a prime number
BaseRepresentation
bin111111110111100…
…0001011100011101
312112100111100202221
41333233001130131
513342104024432
6552352345341
7104051323651
oct17757013435
95470440687
102143033117
119aa760555
124b9845251
13281ca7144
1416488ca61
15c8217b97
hex7fbc171d

2143033117 has 2 divisors, whose sum is σ = 2143033118. Its totient is φ = 2143033116.

The previous prime is 2143033093. The next prime is 2143033121. The reversal of 2143033117 is 7113303412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1965237561 + 177795556 = 44331^2 + 13334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2143033117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143033091 and 2143033100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143030117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071516558 + 1071516559.

It is an arithmetic number, because the mean of its divisors is an integer number (1071516559).

Almost surely, 22143033117 is an apocalyptic number.

It is an amenable number.

2143033117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143033117 is an equidigital number, since it uses as much as digits as its factorization.

2143033117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2143033117 is about 46292.9056875889. The cubic root of 2143033117 is about 1289.2672795446.

Adding to 2143033117 its reverse (7113303412), we get a palindrome (9256336529).

The spelling of 2143033117 in words is "two billion, one hundred forty-three million, thirty-three thousand, one hundred seventeen".