Search a number
-
+
52005733034240 = 285172818505229
BaseRepresentation
bin10111101001100100001110…
…01111100110100100000000
320211010200212221201102121102
423310302013033212210000
523304030220124043430
6302335034241113532
713645201355051546
oct1364620717464400
9224120787642542
1052005733034240
11156305645693a7
1259bb0869288a8
1323031729503ab
14cbb13b651d96
15602bc60de345
hex2f4c873e6900

52005733034240 has 144 divisors (see below), whose sum is σ = 132367030573680. Its totient is φ = 19508951777280.

The previous prime is 52005733034239. The next prime is 52005733034243. The reversal of 52005733034240 is 4243033750025.

It can be written as a sum of positive squares in 8 ways, for example, as 398635653376 + 51607097380864 = 631376^2 + 7183808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52005733034194 and 52005733034203.

It is not an unprimeable number, because it can be changed into a prime (52005733034243) 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, 1861946 + ... + 10367174.

It is an arithmetic number, because the mean of its divisors is an integer number (919215490095).

Almost surely, 252005733034240 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 52005733034240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66183515286840).

52005733034240 is an abundant number, since it is smaller than the sum of its proper divisors (80361297539440).

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

52005733034240 is a wasteful number, since it uses less digits than its factorization.

52005733034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505548 (or 8505534 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 38.

Adding to 52005733034240 its reverse (4243033750025), we get a palindrome (56248766784265).

The spelling of 52005733034240 in words is "fifty-two trillion, five billion, seven hundred thirty-three million, thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 281 320 340 544 562 640 680 1088 1124 1280 1360 1405 2176 2248 2720 2810 4352 4496 4777 5440 5620 8992 9554 10880 11240 17984 19108 21760 22480 23885 35968 38216 44960 47770 71936 76432 89920 95540 152864 179840 191080 305728 359680 382160 611456 764320 1222912 1528640 3057280 6114560 8505229 17010458 34020916 42526145 68041832 85052290 136083664 144588893 170104580 272167328 289177786 340209160 544334656 578355572 680418320 722944465 1088669312 1156711144 1360836640 1445888930 2177338624 2313422288 2389969349 2721673280 2891777860 4626844576 4779938698 5443346560 5783555720 9253689152 9559877396 10886693120 11567111440 11949846745 18507378304 19119754792 23134222880 23899693490 37014756608 38239509584 40629478933 46268445760 47799386980 76479019168 81258957866 92536891520 95598773960 152958038336 162517915732 185073783040 191197547920 203147394665 305916076672 325035831464 382395095840 406294789330 611832153344 650071662928 764790191680 812589578660 1300143325856 1529580383360 1625179157320 2600286651712 3059160766720 3250358314640 5200573303424 6500716629280 10401146606848 13001433258560 26002866517120 52005733034240