Search a number
-
+
80084822449 is a prime number
BaseRepresentation
bin100101010010101101…
…1010110100110110001
321122201020201111112011
41022211123112212301
52303003203304244
6100442423402521
75533401521242
oct1124533264661
9248636644464
1080084822449
1130a66881485
12136302b3441
137723893208
143c3a138cc9
15213ab76434
hex12a56d69b1

80084822449 has 2 divisors, whose sum is σ = 80084822450. Its totient is φ = 80084822448.

The previous prime is 80084822437. The next prime is 80084822479. The reversal of 80084822449 is 94422848008.

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., 80055043600 + 29778849 = 282940^2 + 5457^2 .

It is a cyclic number.

It is not a de Polignac number, because 80084822449 - 233 = 71494887857 is a prime.

It is not a weakly prime, because it can be changed into another prime (80084822479) 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, 40042411224 + 40042411225.

It is an arithmetic number, because the mean of its divisors is an integer number (40042411225).

Almost surely, 280084822449 is an apocalyptic number.

It is an amenable number.

80084822449 is a deficient number, since it is larger than the sum of its proper divisors (1).

80084822449 is an equidigital number, since it uses as much as digits as its factorization.

80084822449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 80084822449 in words is "eighty billion, eighty-four million, eight hundred twenty-two thousand, four hundred forty-nine".