Search a number
-
+
5312053421 = 19279581759
BaseRepresentation
bin1001111001001111…
…11000000010101101
3111201012120021101022
410330213320002231
541334341202141
62235035423525
7245431465133
oct47447700255
914635507338
105312053421
1122865743a4
121042bb4ba5
136686b9a9c
143856d1753
15211546b4b
hex13c9f80ad

5312053421 has 4 divisors (see below), whose sum is σ = 5591635200. Its totient is φ = 5032471644.

The previous prime is 5312053379. The next prime is 5312053429. The reversal of 5312053421 is 1243502135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5312053421 - 214 = 5312037037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312053429) 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 in 3 ways as a sum of consecutive naturals, for example, 139790861 + ... + 139790898.

It is an arithmetic number, because the mean of its divisors is an integer number (1397908800).

Almost surely, 25312053421 is an apocalyptic number.

It is an amenable number.

5312053421 is a deficient number, since it is larger than the sum of its proper divisors (279581779).

5312053421 is a wasteful number, since it uses less digits than its factorization.

5312053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279581778.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5312053421 is about 72883.8351145163. The cubic root of 5312053421 is about 1744.8341176130.

Adding to 5312053421 its reverse (1243502135), we get a palindrome (6555555556).

The spelling of 5312053421 in words is "five billion, three hundred twelve million, fifty-three thousand, four hundred twenty-one".

Divisors: 1 19 279581759 5312053421