Search a number
-
+
54201245993 is a prime number
BaseRepresentation
bin110010011110101001…
…010110000100101001
312011220101012120200022
4302132221112010221
51342001004332433
640522200450225
73626104663226
oct623651260451
9164811176608
1054201245993
1120a94210384
12a607a79975
13515a2938bb
1428a26ac94d
15162361d698
hexc9ea56129

54201245993 has 2 divisors, whose sum is σ = 54201245994. Its totient is φ = 54201245992.

The previous prime is 54201245971. The next prime is 54201246023. The reversal of 54201245993 is 39954210245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44637970729 + 9563275264 = 211277^2 + 97792^2 .

It is a cyclic number.

It is not a de Polignac number, because 54201245993 - 28 = 54201245737 is a prime.

It is not a weakly prime, because it can be changed into another prime (54201245393) 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, 27100622996 + 27100622997.

It is an arithmetic number, because the mean of its divisors is an integer number (27100622997).

Almost surely, 254201245993 is an apocalyptic number.

It is an amenable number.

54201245993 is a deficient number, since it is larger than the sum of its proper divisors (1).

54201245993 is an equidigital number, since it uses as much as digits as its factorization.

54201245993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 54201245993 in words is "fifty-four billion, two hundred one million, two hundred forty-five thousand, nine hundred ninety-three".