Search a number
-
+
69268046849 is a prime number
BaseRepresentation
bin100000010000010110…
…0101000010000000001
320121210102001100220122
41000200230220100001
52113330104444344
651453222350025
75001345453311
oct1004054502001
9217712040818
1069268046849
1127416008911
121151188b315
1366bb8cb291
1434d1721441
151c0622aaee
hex1020b28401

69268046849 has 2 divisors, whose sum is σ = 69268046850. Its totient is φ = 69268046848.

The previous prime is 69268046843. The next prime is 69268046941. The reversal of 69268046849 is 94864086296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69034935025 + 233111824 = 262745^2 + 15268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69268046849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69268046791 and 69268046800.

It is not a weakly prime, because it can be changed into another prime (69268046843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34634023424 + 34634023425.

It is an arithmetic number, because the mean of its divisors is an integer number (34634023425).

Almost surely, 269268046849 is an apocalyptic number.

It is an amenable number.

69268046849 is a deficient number, since it is larger than the sum of its proper divisors (1).

69268046849 is an equidigital number, since it uses as much as digits as its factorization.

69268046849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 69268046849 in words is "sixty-nine billion, two hundred sixty-eight million, forty-six thousand, eight hundred forty-nine".