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4775811441769 = 21853632
BaseRepresentation
bin100010101111111010010…
…0010110110010001101001
3121220120012111210100221201
41011133310202312101221
51111221330212114034
614053551045404201
71002020026313164
oct105376442662151
917816174710851
104775811441769
111581457065575
12651701709661
13288484699654
14127216dc4adb
158436a962014
hex457f48b6469

4775811441769 has 3 divisors (see below), whose sum is σ = 4775813627133. Its totient is φ = 4775809256406.

The previous prime is 4775811441757. The next prime is 4775811441799. The reversal of 4775811441769 is 9671441185774.

It is a happy number.

The square root of 4775811441769 is 2185363.

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

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.

It is not a de Polignac number, because 4775811441769 - 219 = 4775810917481 is a prime.

It is a super-2 number, since 2×47758114417692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4775811441769.

It is not an unprimeable number, because it can be changed into a prime (4775811441799) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1092682 + ... + 3278044.

It is an arithmetic number, because the mean of its divisors is an integer number (1591937875711).

Almost surely, 24775811441769 is an apocalyptic number.

4775811441769 is the 2185363-rd square number.

4775811441769 is the 1092682-nd centered octagonal number.

It is an amenable number.

4775811441769 is a deficient number, since it is larger than the sum of its proper divisors (2185364).

4775811441769 is an frugal number, since it uses more digits than its factorization.

4775811441769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370726 (or 2185363 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 64.

Multiplying 4775811441769 by its sum of digits (64), we get a square (305651932273216 = 174829042).

The spelling of 4775811441769 in words is "four trillion, seven hundred seventy-five billion, eight hundred eleven million, four hundred forty-one thousand, seven hundred sixty-nine".

Divisors: 1 2185363 4775811441769