Search a number
-
+
44030020140 = 22325244611223
BaseRepresentation
bin101001000000011001…
…001100101000101100
311012122112020202211200
4221000121030220230
51210133141121030
632121020045500
73116050665441
oct510031145054
9135575222750
1044030020140
11177448868a7
128649693890
1341c8c85172
1421b98d79c8
15122a6dbd60
hexa4064ca2c

44030020140 has 36 divisors (see below), whose sum is σ = 133557728304. Its totient is φ = 11741338656.

The previous prime is 44030020121. The next prime is 44030020163. The reversal of 44030020140 is 4102003044.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122305432 + ... + 122305791.

Almost surely, 244030020140 is an apocalyptic number.

It is an amenable number.

44030020140 is an abundant number, since it is smaller than the sum of its proper divisors (89527708164).

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

44030020140 is a wasteful number, since it uses less digits than its factorization.

44030020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244611238 (or 244611233 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 44030020140 its reverse (4102003044), we get a palindrome (48132023184).

The spelling of 44030020140 in words is "forty-four billion, thirty million, twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 244611223 489222446 733833669 978444892 1223056115 1467667338 2201501007 2446112230 2935334676 3669168345 4403002014 4892224460 7338336690 8806004028 11007505035 14676673380 22015010070 44030020140