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12023341801 = 47223332
BaseRepresentation
bin10110011001010010…
…11010001011101001
31011000221001001021121
423030221122023221
5144110433414201
65305021535241
7603643501432
oct131451321351
934027031247
1012023341801
11510a954719
1223b6714521
131197c48043
14820b76489
154a58319a1
hex2cca5a2e9

12023341801 has 9 divisors (see below), whose sum is σ = 12289868311. Its totient is φ = 11762482072.

The previous prime is 12023341787. The next prime is 12023341807. The reversal of 12023341801 is 10814332021.

It is a happy number.

The square root of 12023341801 is 109651.

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

12023341801 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., 4115864025 + 7907477776 = 64155^2 + 88924^2 .

It is not a de Polignac number, because 12023341801 - 211 = 12023339753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023341807) 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 8 ways as a sum of consecutive naturals, for example, 5152431 + ... + 5154763.

Almost surely, 212023341801 is an apocalyptic number.

12023341801 is the 109651-st square number.

12023341801 is the 54826-th centered octagonal number.

It is an amenable number.

12023341801 is a deficient number, since it is larger than the sum of its proper divisors (266526510).

12023341801 is an frugal number, since it uses more digits than its factorization.

12023341801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Multiplying 12023341801 by its sum of digits (25), we get a square (300583545025 = 5482552).

Adding to 12023341801 its reverse (10814332021), we get a palindrome (22837673822).

The spelling of 12023341801 in words is "twelve billion, twenty-three million, three hundred forty-one thousand, eight hundred one".

Divisors: 1 47 2209 2333 109651 5153597 5442889 255815783 12023341801