Search a number
-
+
16650508741 = 18191991761
BaseRepresentation
bin11111000000111001…
…01001100111000101
31120222101212111000221
433200130221213011
5233100012234431
611352114104341
71126420663156
oct174034514705
946871774027
1016650508741
117074861729
12328827b0b1
131754787949
14b3d50592d
15676b8e111
hex3e07299c5

16650508741 has 4 divisors (see below), whose sum is σ = 16742500684. Its totient is φ = 16558516800.

The previous prime is 16650508739. The next prime is 16650508757. The reversal of 16650508741 is 14780505661.

16650508741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2138692516 + 14511816225 = 46246^2 + 120465^2 .

It is a cyclic number.

It is not a de Polignac number, because 16650508741 - 21 = 16650508739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650508711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45995700 + ... + 45996061.

It is an arithmetic number, because the mean of its divisors is an integer number (4185625171).

Almost surely, 216650508741 is an apocalyptic number.

It is an amenable number.

16650508741 is a deficient number, since it is larger than the sum of its proper divisors (91991943).

16650508741 is an equidigital number, since it uses as much as digits as its factorization.

16650508741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91991942.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 16650508741 in words is "sixteen billion, six hundred fifty million, five hundred eight thousand, seven hundred forty-one".

Divisors: 1 181 91991761 16650508741