Search a number
-
+
5044434121 is a prime number
BaseRepresentation
bin1001011001010101…
…11111010011001001
3111000112222210201101
410230222333103021
540312333342441
62152315421401
7236001661006
oct45452772311
914015883641
105044434121
1121594a7021
12b89454861
1362511877c
1435bd4a8ad
151e7cd2231
hex12cabf4c9

5044434121 has 2 divisors, whose sum is σ = 5044434122. Its totient is φ = 5044434120.

The previous prime is 5044434107. The next prime is 5044434149. The reversal of 5044434121 is 1214344405.

It is the 28996-th star number.

It is an a-pointer prime, because the next prime (5044434149) can be obtained adding 5044434121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4574628496 + 469805625 = 67636^2 + 21675^2 .

It is a cyclic number.

It is not a de Polignac number, because 5044434121 - 211 = 5044432073 is a prime.

It is a super-2 number, since 2×50444341212 = 50892631202218085282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5044434121.

It is not a weakly prime, because it can be changed into another prime (5044434151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522217060 + 2522217061.

It is an arithmetic number, because the mean of its divisors is an integer number (2522217061).

Almost surely, 25044434121 is an apocalyptic number.

It is an amenable number.

5044434121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5044434121 is an equidigital number, since it uses as much as digits as its factorization.

5044434121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 5044434121 is about 71024.1798333497. The cubic root of 5044434121 is about 1715.0264337031.

Adding to 5044434121 its reverse (1214344405), we get a palindrome (6258778526).

The spelling of 5044434121 in words is "five billion, forty-four million, four hundred thirty-four thousand, one hundred twenty-one".