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4144440412 = 227148015729
BaseRepresentation
bin1111011100000111…
…0010010001011100
3101200211111101110001
43313001302101130
531441434043122
61523125424044
7204463106440
oct36701622134
911624441401
104144440412
111837479472
12977b6b024
13510824c08
142b45d2820
15193ca7527
hexf707245c

4144440412 has 12 divisors (see below), whose sum is σ = 8288880880. Its totient is φ = 1776188736.

The previous prime is 4144440407. The next prime is 4144440439. The reversal of 4144440412 is 2140444414.

4144440412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

4144440412 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 148015729 = 4144440412 / (4 + 1 + 4 + 4 + 4 + 4 + 0 + 4 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74007837 + ... + 74007892.

Almost surely, 24144440412 is an apocalyptic number.

It is an amenable number.

4144440412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4144440412 is a wasteful number, since it uses less digits than its factorization.

4144440412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148015740 (or 148015738 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 4144440412 is about 64377.3284006101. The cubic root of 4144440412 is about 1606.2826432686.

Adding to 4144440412 its reverse (2140444414), we get a palindrome (6284884826).

The spelling of 4144440412 in words is "four billion, one hundred forty-four million, four hundred forty thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 148015729 296031458 592062916 1036110103 2072220206 4144440412