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444031121044 = 22730615180743
BaseRepresentation
bin1100111011000100101…
…00010011011010010100
31120110010021220001222201
412131202110103122110
524233333431333134
6535552435534244
744036335153210
oct6354224233224
91513107801881
10444031121044
11161348aa0335
127208115a384
1332b448ba614
14176c3ca5940
15b83c251914
hex6762513694

444031121044 has 24 divisors (see below), whose sum is σ = 888352535168. Its totient is φ = 190236846240.

The previous prime is 444031121029. The next prime is 444031121047. The reversal of 444031121044 is 440121130444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444031121047) 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, 2504664 + ... + 2676079.

Almost surely, 2444031121044 is an apocalyptic number.

It is an amenable number.

444031121044 is an abundant number, since it is smaller than the sum of its proper divisors (444321414124).

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

444031121044 is a wasteful number, since it uses less digits than its factorization.

444031121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183815 (or 5183813 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 444031121044 its reverse (440121130444), we get a palindrome (884152251488).

The spelling of 444031121044 in words is "four hundred forty-four billion, thirty-one million, one hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 7 14 28 3061 6122 12244 21427 42854 85708 5180743 10361486 20722972 36265201 72530402 145060804 15858254323 31716508646 63433017292 111007780261 222015560522 444031121044