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44421450309 = 3212253402817
BaseRepresentation
bin101001010111101110…
…011000101001000101
311020122210210111002100
4221113232120221011
51211433342402214
632223521502313
73131543045325
oct512756305105
9136583714070
1044421450309
1117925829105
1287387a1999
13425c0b5b52
1422158ab285
15124ec5b309
hexa57b98a45

44421450309 has 12 divisors (see below), whose sum is σ = 64169713036. Its totient is φ = 29611809792.

The previous prime is 44421450301. The next prime is 44421450319. The reversal of 44421450309 is 90305412444.

44421450309 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 2 ways, for example, as 24834608100 + 19586842209 = 157590^2 + 139953^2 .

It is not a de Polignac number, because 44421450309 - 23 = 44421450301 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 (44421450301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91132 + ... + 311685.

Almost surely, 244421450309 is an apocalyptic number.

It is an amenable number.

44421450309 is a deficient number, since it is larger than the sum of its proper divisors (19748262727).

44421450309 is a wasteful number, since it uses less digits than its factorization.

44421450309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415076 (or 415073 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 44421450309 in words is "forty-four billion, four hundred twenty-one million, four hundred fifty thousand, three hundred nine".

Divisors: 1 3 9 12253 36759 110277 402817 1208451 3625353 4935716701 14807150103 44421450309