Search a number
-
+
468891853249 is a prime number
BaseRepresentation
bin1101101001011000010…
…00011110000111000001
31122211021212202010022011
412310230020132013001
530140242303300444
6555223403412521
745606401664061
oct6645410360701
91584255663264
10468891853249
11170946255406
1276a5ab24141
13352a7311b51
14189a19593a1
15c2e4ab4734
hex6d2c21e1c1

468891853249 has 2 divisors, whose sum is σ = 468891853250. Its totient is φ = 468891853248.

The previous prime is 468891853237. The next prime is 468891853277. The reversal of 468891853249 is 942358198864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281690255025 + 187201598224 = 530745^2 + 432668^2 .

It is a cyclic number.

It is not a de Polignac number, because 468891853249 - 25 = 468891853217 is a prime.

It is not a weakly prime, because it can be changed into another prime (468894853249) 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, 234445926624 + 234445926625.

It is an arithmetic number, because the mean of its divisors is an integer number (234445926625).

Almost surely, 2468891853249 is an apocalyptic number.

It is an amenable number.

468891853249 is a deficient number, since it is larger than the sum of its proper divisors (1).

468891853249 is an equidigital number, since it uses as much as digits as its factorization.

468891853249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 67.

The spelling of 468891853249 in words is "four hundred sixty-eight billion, eight hundred ninety-one million, eight hundred fifty-three thousand, two hundred forty-nine".