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338964429086720 = 213526393313549
BaseRepresentation
bin100110100010010010100111…
…0011000110010000000000000
31122110011200102212111112221222
41031010211032120302000000
5323412043122321233340
63200530035313534212
7131253241354155203
oct11504451630620000
91573150385445858
10338964429086720
1199006009487008
12320256b1574368
131171a293129868
145d9bd7462793a
15292c3990ae8b5
hex134494e632000

338964429086720 has 112 divisors (see below), whose sum is σ = 813498392532600. Its totient is φ = 135580202041344.

The previous prime is 338964429086693. The next prime is 338964429086729. The reversal of 338964429086720 is 27680924469833.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 218939608305664 + 120024820781056 = 14796608^2 + 10955584^2 .

It is a super-2 number, since 2×3389644290867202 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338964429086729) 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, 1080900506 + ... + 1081214054.

Almost surely, 2338964429086720 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 338964429086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406749196266300).

338964429086720 is an abundant number, since it is smaller than the sum of its proper divisors (474533963445880).

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

338964429086720 is an equidigital number, since it uses as much as digits as its factorization.

338964429086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339973 (or 339949 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 71.

The spelling of 338964429086720 in words is "three hundred thirty-eight trillion, nine hundred sixty-four billion, four hundred twenty-nine million, eighty-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 8192 10240 20480 26393 40960 52786 105572 131965 211144 263930 313549 422288 527860 627098 844576 1055720 1254196 1567745 1689152 2111440 2508392 3135490 3378304 4222880 5016784 6270980 6756608 8445760 10033568 12541960 13513216 16891520 20067136 25083920 27026432 33783040 40134272 50167840 54052864 67566080 80268544 100335680 108105728 135132160 160537088 200671360 216211456 270264320 321074176 401342720 540528640 642148352 802685440 1081057280 1284296704 1605370880 2568593408 3210741760 6421483520 8275498757 12842967040 16550997514 33101995028 41377493785 66203990056 82754987570 132407980112 165509975140 264815960224 331019950280 529631920448 662039900560 1059263840896 1324079801120 2118527681792 2648159602240 4237055363584 5296319204480 8474110727168 10592638408960 16948221454336 21185276817920 33896442908672 42370553635840 67792885817344 84741107271680 169482214543360 338964429086720