Search a number
-
+
44432030021 = 311697844603
BaseRepresentation
bin101001011000010110…
…101111100101000101
311020200112200222201112
4221120112233211011
51211444044430041
632224540334405
73132032011061
oct513026574505
9136615628645
1044432030021
11179307a4875
128740244405
13426134b532
142217062aa1
151250b4adeb
hexa585af945

44432030021 has 8 divisors (see below), whose sum is σ = 45892402944. Its totient is φ = 42973349760.

The previous prime is 44432030011. The next prime is 44432030023. The reversal of 44432030021 is 12003023444.

44432030021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44432030021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44432030023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369695 + ... + 474908.

It is an arithmetic number, because the mean of its divisors is an integer number (5736550368).

Almost surely, 244432030021 is an apocalyptic number.

It is an amenable number.

44432030021 is a deficient number, since it is larger than the sum of its proper divisors (1460372923).

44432030021 is a wasteful number, since it uses less digits than its factorization.

44432030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846331.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 44432030021 its reverse (12003023444), we get a palindrome (56435053465).

The spelling of 44432030021 in words is "forty-four billion, four hundred thirty-two million, thirty thousand, twenty-one".

Divisors: 1 31 1697 52607 844603 26182693 1433291291 44432030021