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252962242466560 = 28511144011247557
BaseRepresentation
bin111001100001000101011100…
…100110101001001100000000
31020011122221202121121011110221
4321201011130212221030000
5231124013133032412220
62254001125551232424
7104165630120411434
oct7141053446511400
91204587677534427
10252962242466560
1173668759184420
122445593b218714
13ab1c310c0c293
14466761b6ca9c4
151e3a1dd7659aa
hexe6115c9a9300

252962242466560 has 144 divisors (see below), whose sum is σ = 661054016986272. Its totient is φ = 91979808768000.

The previous prime is 252962242466519. The next prime is 252962242466581. The reversal of 252962242466560 is 65664242269252.

It is a super-2 number, since 2×2529622424665602 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202142302 + ... + 203389858.

It is an arithmetic number, because the mean of its divisors is an integer number (4590652895738).

Almost surely, 2252962242466560 is an apocalyptic number.

252962242466560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252962242466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330527008493136).

252962242466560 is an abundant number, since it is smaller than the sum of its proper divisors (408091774519712).

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

252962242466560 is a wasteful number, since it uses less digits than its factorization.

252962242466560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261990 (or 1261976 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 61.

The spelling of 252962242466560 in words is "two hundred fifty-two trillion, nine hundred sixty-two billion, two hundred forty-two million, four hundred sixty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 640 704 880 1280 1408 1760 2816 3520 7040 14080 14401 28802 57604 72005 115208 144010 158411 230416 288020 316822 460832 576040 633644 792055 921664 1152080 1247557 1267288 1584110 1843328 2304160 2495114 2534576 3168220 3686656 4608320 4990228 5069152 6237785 6336440 9216640 9980456 10138304 12475570 12672880 13723127 18433280 19960912 20276608 24951140 25345760 27446254 39921824 40553216 49902280 50691520 54892508 68615635 79843648 99804560 101383040 109785016 137231270 159687296 199609120 202766080 219570032 274462540 319374592 399218240 439140064 548925080 798436480 878280128 1097850160 1596872960 1756560256 2195700320 3513120512 4391400640 8782801280 17565602560 17966068357 35932136714 71864273428 89830341785 143728546856 179660683570 197626751927 287457093712 359321367140 395253503854 574914187424 718642734280 790507007708 988133759635 1149828374848 1437285468560 1581014015416 1976267519270 2299656749696 2874570937120 3162028030832 3952535038540 4599313499392 5749141874240 6324056061664 7905070077080 11498283748480 12648112123328 15810140154160 22996567496960 25296224246656 31620280308320 50592448493312 63240560616640 126481121233280 252962242466560