Search a number
-
+
44444399999 = 131349972121
BaseRepresentation
bin101001011001000101…
…111011100101111111
311020201101222110010212
4221121011323211333
51212010231244444
632230101423035
73132242111126
oct513105734577
9136641873125
1044444399999
111793778359a
12874440aa7b
134263a8ca4c
142218962abd
151251c9119e
hexa5917b97f

44444399999 has 8 divisors (see below), whose sum is σ = 44912036400. Its totient is φ = 43978708800.

The previous prime is 44444399983. The next prime is 44444400047. The reversal of 44444399999 is 99999344444.

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

It is a cyclic number.

It is not a de Polignac number, because 44444399999 - 24 = 44444399983 is a prime.

It is a super-2 number, since 2×444443999992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444399399) 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, 440342 + ... + 531779.

It is an arithmetic number, because the mean of its divisors is an integer number (5614004550).

Almost surely, 244444399999 is an apocalyptic number.

44444399999 is a deficient number, since it is larger than the sum of its proper divisors (467636401).

44444399999 is a wasteful number, since it uses less digits than its factorization.

44444399999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972601.

The product of its digits is 181398528, while the sum is 68.

The spelling of 44444399999 in words is "forty-four billion, four hundred forty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 131 349 45719 972121 127347851 339270229 44444399999