Search a number
-
+
444243349574368 = 25431497681282097
BaseRepresentation
bin110010100000010010111011…
…1000010111001001011100000
32011020221020201212001001121021
41211000211313002321023200
5431211440334442334433
64212454324415135224
7162400344223165111
oct14500456702711340
92136836655031537
10444243349574368
11119605601486353
12419a9406b14514
13160b5c77c31416
147b9b6c8514208
153655bc7d5822d
hex19409770b92e0

444243349574368 has 96 divisors (see below), whose sum is σ = 901070548408800. Its totient is φ = 215471153479680.

The previous prime is 444243349574341. The next prime is 444243349574369. The reversal of 444243349574368 is 863475943342444.

It is a junction number, because it is equal to n+sod(n) for n = 444243349574297 and 444243349574306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444243349574369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574648296 + ... + 1574930392.

It is an arithmetic number, because the mean of its divisors is an integer number (9386151545925).

Almost surely, 2444243349574368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444243349574368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450535274204400).

444243349574368 is an abundant number, since it is smaller than the sum of its proper divisors (456827198834432).

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

444243349574368 is a wasteful number, since it uses less digits than its factorization.

444243349574368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289980 (or 289972 counting only the distinct ones).

The product of its digits is 3344302080, while the sum is 70.

The spelling of 444243349574368 in words is "four hundred forty-four trillion, two hundred forty-three billion, three hundred forty-nine million, five hundred seventy-four thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 43 86 149 172 298 344 596 688 1192 1376 2384 4768 6407 7681 12814 15362 25628 30724 51256 61448 102512 122896 205024 245792 282097 330283 564194 660566 1128388 1144469 1321132 2256776 2288938 2642264 4513552 4577876 5284528 9027104 9155752 10569056 12130171 18311504 24260342 36623008 42032453 48520684 49212167 84064906 97041368 98424334 168129812 194082736 196848668 336259624 388165472 393697336 672519248 787394672 1345038496 1574789344 1807395479 2166787057 3614790958 4333574114 7229581916 8667148228 14459163832 17334296456 28918327664 34668592912 57836655328 69337185824 93171843451 186343686902 322851271493 372687373804 645702542986 745374747608 1291405085972 1490749495216 2582810171944 2981498990432 5165620343888 10331240687776 13882604674199 27765209348398 55530418696796 111060837393592 222121674787184 444243349574368