Search a number
-
+
11668400384 = 28192398931
BaseRepresentation
bin10101101110111110…
…11010100100000000
31010010012011011012012
422313133122210000
5142344102303014
65205502152052
7562103524004
oct126737324400
933105134165
1011668400384
114a48564a03
122317882628
13113c551934
147c9980704
154845bdc3e
hex2b77da900

11668400384 has 36 divisors (see below), whose sum is σ = 24517085040. Its totient is φ = 5527134720.

The previous prime is 11668400333. The next prime is 11668400389. The reversal of 11668400384 is 48300486611.

11668400384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11668400389) 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, 1194602 + ... + 1204329.

It is an arithmetic number, because the mean of its divisors is an integer number (681030140).

Almost surely, 211668400384 is an apocalyptic number.

It is an amenable number.

11668400384 is an abundant number, since it is smaller than the sum of its proper divisors (12848684656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11668400384 is an equidigital number, since it uses as much as digits as its factorization.

11668400384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398966 (or 2398952 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

Adding to 11668400384 its reverse (48300486611), we get a palindrome (59968886995).

The spelling of 11668400384 in words is "eleven billion, six hundred sixty-eight million, four hundred thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 2398931 4797862 9595724 19191448 38382896 45579689 76765792 91159378 153531584 182318756 307063168 364637512 614126336 729275024 1458550048 2917100096 5834200192 11668400384