Search a number
-
+
16692496481 is a prime number
BaseRepresentation
bin11111000101111001…
…10100100001100001
31121002022212200101102
433202330310201201
5233141234341411
611400214044145
71130440610333
oct174274644141
947068780342
1016692496481
11709652a741
12329a349655
13176039916b
14b44d15453
1567a6d4d3b
hex3e2f34861

16692496481 has 2 divisors, whose sum is σ = 16692496482. Its totient is φ = 16692496480.

The previous prime is 16692496451. The next prime is 16692496489. The reversal of 16692496481 is 18469429661.

16692496481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14874241600 + 1818254881 = 121960^2 + 42641^2 .

It is an emirp because it is prime and its reverse (18469429661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16692496481 - 222 = 16688302177 is a prime.

It is a super-2 number, since 2×166924964812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16692496489) 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 as a sum of consecutive naturals, namely, 8346248240 + 8346248241.

It is an arithmetic number, because the mean of its divisors is an integer number (8346248241).

Almost surely, 216692496481 is an apocalyptic number.

It is an amenable number.

16692496481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16692496481 is an equidigital number, since it uses as much as digits as its factorization.

16692496481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 56.

The spelling of 16692496481 in words is "sixteen billion, six hundred ninety-two million, four hundred ninety-six thousand, four hundred eighty-one".