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244243345440 = 2535565989917
BaseRepresentation
bin1110001101111000001…
…0011011000000100000
3212100102201221111122010
43203132002123000200
513000202244023230
6304112010312520
723434402116213
oct3433602330040
9770381844563
10244243345440
11946460014a6
123b404728740
131a055545913
14bb7006977a
15654774d9b0
hex38de09b020

244243345440 has 96 divisors (see below), whose sum is σ = 769511050560. Its totient is φ = 65119325184.

The previous prime is 244243345439. The next prime is 244243345441. The reversal of 244243345440 is 44543342442.

It is an interprime number because it is at equal distance from previous prime (244243345439) and next prime (244243345441).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (244243345441) 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, 2671362 + ... + 2761278.

It is an arithmetic number, because the mean of its divisors is an integer number (8015740110).

Almost surely, 2244243345440 is an apocalyptic number.

244243345440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244243345440 is an abundant number, since it is smaller than the sum of its proper divisors (525267705120).

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

244243345440 is a wasteful number, since it uses less digits than its factorization.

244243345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95594 (or 95586 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 244243345440 its reverse (44543342442), we get a palindrome (288786687882).

The spelling of 244243345440 in words is "two hundred forty-four billion, two hundred forty-three million, three hundred forty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5659 11318 16977 22636 28295 33954 45272 56590 67908 84885 89917 90544 113180 135816 169770 179834 181088 226360 269751 271632 339540 359668 449585 452720 539502 543264 679080 719336 899170 905440 1079004 1348755 1358160 1438672 1798340 2158008 2697510 2716320 2877344 3596680 4316016 5395020 7193360 8632032 10790040 14386720 21580080 43160160 508840303 1017680606 1526520909 2035361212 2544201515 3053041818 4070722424 5088403030 6106083636 7632604545 8141444848 10176806060 12212167272 15265209090 16282889696 20353612120 24424334544 30530418180 40707224240 48848669088 61060836360 81414448480 122121672720 244243345440