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11468053921 = 1070892
BaseRepresentation
bin10101010111000110…
…01001110110100001
31002121020011111111211
422223203021312201
5141441310211141
65133544110121
7554121564352
oct125343116641
932536144454
1011468053921
114955465715
122280765341
131109ba5a2c
147ab10bd29
15471be6d81
hex2ab8c9da1

11468053921 has 3 divisors (see below), whose sum is σ = 11468161011. Its totient is φ = 11467946832.

The previous prime is 11468053907. The next prime is 11468053931. The reversal of 11468053921 is 12935086411.

The square root of 11468053921 is 107089.

It is a perfect power (a square), and thus also a powerful number.

11468053921 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12935086411 = 13995006647.

It can be written as a sum of positive squares in only one way, i.e., 1112956321 + 10355097600 = 33361^2 + 101760^2 .

It is a de Polignac number, because none of the positive numbers 2k-11468053921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11468053901) 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 2 ways as a sum of consecutive naturals, for example, 53545 + ... + 160633.

It is an arithmetic number, because the mean of its divisors is an integer number (3822720337).

Almost surely, 211468053921 is an apocalyptic number.

11468053921 is the 107089-th square number.

11468053921 is the 53545-th centered octagonal number.

It is an amenable number.

11468053921 is a deficient number, since it is larger than the sum of its proper divisors (107090).

11468053921 is an frugal number, since it uses more digits than its factorization.

11468053921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214178 (or 107089 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11468053921 in words is "eleven billion, four hundred sixty-eight million, fifty-three thousand, nine hundred twenty-one".

Divisors: 1 107089 11468053921