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9838380577680 = 243354554805823
BaseRepresentation
bin1000111100101010110100…
…1011011111001110010000
31021211112120122202221001000
42033022231023133032100
52242143000411441210
632531404543542000
72033541146046234
oct217125513371620
937745518687030
109838380577680
113153485393a06
12112a8b18ba900
135649a8545655
1426027450a5c4
15120dbb21bac0
hex8f2ad2df390

9838380577680 has 80 divisors (see below), whose sum is σ = 33887755330560. Its totient is φ = 2623568153472.

The previous prime is 9838380577661. The next prime is 9838380577687. The reversal of 9838380577680 is 867750838389.

9838380577680 is a `hidden beast` number, since 98 + 38 + 380 + 5 + 77 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 9838380577599 and 9838380577608.

It is not an unprimeable number, because it can be changed into a prime (9838380577687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277400752 + ... + 2277405071.

It is an arithmetic number, because the mean of its divisors is an integer number (423596941632).

Almost surely, 29838380577680 is an apocalyptic number.

9838380577680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9838380577680 is an abundant number, since it is smaller than the sum of its proper divisors (24049374752880).

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

9838380577680 is a wasteful number, since it uses less digits than its factorization.

9838380577680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554805845 (or 4554805833 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 9838380577680 in words is "nine trillion, eight hundred thirty-eight billion, three hundred eighty million, five hundred seventy-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 4554805823 9109611646 13664417469 18219223292 22774029115 27328834938 36438446584 40993252407 45548058230 54657669876 68322087345 72876893168 81986504814 91096116460 109315339752 122979757221 136644174690 163973009628 182192232920 204966262035 218630679504 245959514442 273288349380 327946019256 364384465840 409932524070 491919028884 546576698760 614898786105 655892038512 819865048140 983838057768 1093153397520 1229797572210 1639730096280 1967676115536 2459595144420 3279460192560 4919190288840 9838380577680