Search a number
-
+
16825052819 is a prime number
BaseRepresentation
bin11111010101101100…
…11110111010010011
31121102120022020111102
433222312132322103
5233424203142234
611421311135015
71133640406061
oct175266367223
947376266442
1016825052819
117154338233
12331681446b
13178199b373
14b5877d031
1568716ac7e
hex3ead9ee93

16825052819 has 2 divisors, whose sum is σ = 16825052820. Its totient is φ = 16825052818.

The previous prime is 16825052801. The next prime is 16825052861. The reversal of 16825052819 is 91825052861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16825052819 - 220 = 16824004243 is a prime.

It is a super-2 number, since 2×168250528192 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16825052219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8412526409 + 8412526410.

It is an arithmetic number, because the mean of its divisors is an integer number (8412526410).

Almost surely, 216825052819 is an apocalyptic number.

16825052819 is a deficient number, since it is larger than the sum of its proper divisors (1).

16825052819 is an equidigital number, since it uses as much as digits as its factorization.

16825052819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 16825052819 in words is "sixteen billion, eight hundred twenty-five million, fifty-two thousand, eight hundred nineteen".