Search a number
-
+
16728655379 is a prime number
BaseRepresentation
bin11111001010001101…
…10000011000010011
31121011211220202001212
433211012300120103
5233230013433004
611403545050335
71131360140012
oct174506603023
947154822055
1016728655379
117104987427
1232aa4869ab
131767a19567
14b49a48a79
1567d97896e
hex3e51b0613

16728655379 has 2 divisors, whose sum is σ = 16728655380. Its totient is φ = 16728655378.

The previous prime is 16728655337. The next prime is 16728655381. The reversal of 16728655379 is 97355682761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16728655379 - 224 = 16711878163 is a prime.

Together with 16728655381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16728655079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8364327689 + 8364327690.

It is an arithmetic number, because the mean of its divisors is an integer number (8364327690).

Almost surely, 216728655379 is an apocalyptic number.

16728655379 is a deficient number, since it is larger than the sum of its proper divisors (1).

16728655379 is an equidigital number, since it uses as much as digits as its factorization.

16728655379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 59.

The spelling of 16728655379 in words is "sixteen billion, seven hundred twenty-eight million, six hundred fifty-five thousand, three hundred seventy-nine".