Search a number
-
+
53280557833 is a prime number
BaseRepresentation
bin110001100111110001…
…001100101100001001
312002112012202202221211
4301213301030230021
51333104310322313
640250551133121
73564225161206
oct614761145411
9162465682854
1053280557833
1120661538778
12a3ab6741a1
1350416057c9
1428162c8cad
1515bc8a6e3d
hexc67c4cb09

53280557833 has 2 divisors, whose sum is σ = 53280557834. Its totient is φ = 53280557832.

The previous prime is 53280557831. The next prime is 53280557843. The reversal of 53280557833 is 33875508235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38835402489 + 14445155344 = 197067^2 + 120188^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280557833 - 21 = 53280557831 is a prime.

Together with 53280557831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53280557831) 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, 26640278916 + 26640278917.

It is an arithmetic number, because the mean of its divisors is an integer number (26640278917).

Almost surely, 253280557833 is an apocalyptic number.

It is an amenable number.

53280557833 is a deficient number, since it is larger than the sum of its proper divisors (1).

53280557833 is an equidigital number, since it uses as much as digits as its factorization.

53280557833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 53280557833 in words is "fifty-three billion, two hundred eighty million, five hundred fifty-seven thousand, eight hundred thirty-three".