Search a number
-
+
16640072759 is a prime number
BaseRepresentation
bin11110111111101001…
…10101110000110111
31120221200020021120002
433133310311300313
5233034324312014
611351102301515
71126233166442
oct173764656067
946850207502
1016640072759
117069983a52
12328488789b
1317525727cb
14b3bd8a659
15675ccbdde
hex3dfd35c37

16640072759 has 2 divisors, whose sum is σ = 16640072760. Its totient is φ = 16640072758.

The previous prime is 16640072741. The next prime is 16640072797. The reversal of 16640072759 is 95727004661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16640072759 - 28 = 16640072503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16640012759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8320036379 + 8320036380.

It is an arithmetic number, because the mean of its divisors is an integer number (8320036380).

Almost surely, 216640072759 is an apocalyptic number.

16640072759 is a deficient number, since it is larger than the sum of its proper divisors (1).

16640072759 is an equidigital number, since it uses as much as digits as its factorization.

16640072759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 16640072759 in words is "sixteen billion, six hundred forty million, seventy-two thousand, seven hundred fifty-nine".