Search a number
-
+
14454364581 = 321606040509
BaseRepresentation
bin11010111011000110…
…00001100110100101
31101022100102210121100
431131203001212211
5214100304131311
610350143110313
71021123033416
oct153543014645
941270383540
1014454364581
116148126058
1229748a2399
1314947a6367
149b198d80d
15598e84a56
hex35d8c19a5

14454364581 has 6 divisors (see below), whose sum is σ = 20878526630. Its totient is φ = 9636243048.

The previous prime is 14454364579. The next prime is 14454364681. The reversal of 14454364581 is 18546345441.

14454364581 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 4 + 3 + 64 + 581 = 666.

14454364581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12980956356 + 1473408225 = 113934^2 + 38385^2 .

It is not a de Polignac number, because 14454364581 - 21 = 14454364579 is a prime.

It is a super-2 number, since 2×144543645812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14454364501) 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 5 ways as a sum of consecutive naturals, for example, 803020246 + ... + 803020263.

Almost surely, 214454364581 is an apocalyptic number.

It is an amenable number.

14454364581 is a deficient number, since it is larger than the sum of its proper divisors (6424162049).

14454364581 is a wasteful number, since it uses less digits than its factorization.

14454364581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606040515 (or 1606040512 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The spelling of 14454364581 in words is "fourteen billion, four hundred fifty-four million, three hundred sixty-four thousand, five hundred eighty-one".

Divisors: 1 3 9 1606040509 4818121527 14454364581