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544444242444445 = 571938592640167
BaseRepresentation
bin111101111001010110100110…
…1101010111100000010011101
32122101201100202100201202212111
41323302231031222330002131
51032330133302031210240
65205534122045234021
7222451540604506210
oct17362551552740235
92571640670652774
10544444242444445
11148527563256182
1251090b37262911
131a4a3b44364805
149863355c29777
1542e239e16b1ea
hex1ef2b4dabc09d

544444242444445 has 64 divisors (see below), whose sum is σ = 789059617689600. Its totient is φ = 353272206171456.

The previous prime is 544444242444419. The next prime is 544444242444451.

544444242444445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544444242444445 - 225 = 544444208890013 is a prime.

It is a super-2 number, since 2×5444442424444452 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 544444242444445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204895752 + ... + 207535918.

It is an arithmetic number, because the mean of its divisors is an integer number (12329056526400).

Almost surely, 2544444242444445 is an apocalyptic number.

It is an amenable number.

544444242444445 is a deficient number, since it is larger than the sum of its proper divisors (244615375245155).

544444242444445 is an equidigital number, since it uses as much as digits as its factorization.

544444242444445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641095 (or 2641057 counting only the distinct ones).

The product of its digits is 419430400, while the sum is 58.

The spelling of 544444242444445 in words is "five hundred forty-four trillion, four hundred forty-four billion, two hundred forty-two million, four hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 7 19 35 95 133 361 665 859 1805 2527 4295 6013 6859 12635 16321 30065 34295 48013 81605 114247 240065 310099 571235 1550495 2170693 2640167 5891881 10853465 13200835 18481169 29459405 41243167 50163173 92405845 206215835 250815865 351142211 953100287 1755711055 2267903453 4765501435 6671702009 11339517265 15875324171 18108905453 33358510045 43090165607 79376620855 90544527265 126762338171 215450828035 301631159249 633811690855 818713146533 1508155796245 4093565732665 5730992025731 15555549784127 28654960128655 77777748920635 108888848488889 544444242444445