Search a number
-
+
428253153893 is a prime number
BaseRepresentation
bin1100011101101011110…
…00001000101001100101
31111221101200212021222222
412032311320020221211
524004030301411033
6524423051202125
742640340514035
oct6166570105145
91457350767888
10428253153893
11155691817064
126abb9146345
13314cbb34196
1416a2860d8c5
15b216eb8598
hex63b5e08a65

428253153893 has 2 divisors, whose sum is σ = 428253153894. Its totient is φ = 428253153892.

The previous prime is 428253153827. The next prime is 428253153989. The reversal of 428253153893 is 398351352824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294460340164 + 133792813729 = 542642^2 + 365777^2 .

It is a cyclic number.

It is not a de Polignac number, because 428253153893 - 28 = 428253153637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428253152893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214126576946 + 214126576947.

It is an arithmetic number, because the mean of its divisors is an integer number (214126576947).

Almost surely, 2428253153893 is an apocalyptic number.

It is an amenable number.

428253153893 is a deficient number, since it is larger than the sum of its proper divisors (1).

428253153893 is an equidigital number, since it uses as much as digits as its factorization.

428253153893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 53.

The spelling of 428253153893 in words is "four hundred twenty-eight billion, two hundred fifty-three million, one hundred fifty-three thousand, eight hundred ninety-three".