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66411005230240 = 25511201718707747
BaseRepresentation
bin11110001100110100001000…
…11000000011110010100000
322201010211102010210001122021
433012122010120003302200
532201034214314331430
6353124443345551224
716663015422316156
oct1706320430036240
9281124363701567
1066411005230240
111a184827137260
127546a93345514
132b096b9585778
14125844a15b3d6
157a27816a807a
hex3c6684603ca0

66411005230240 has 96 divisors (see below), whose sum is σ = 171244140064704. Its totient is φ = 24137482199040.

The previous prime is 66411005230223. The next prime is 66411005230357. The reversal of 66411005230240 is 4203250011466.

It is a junction number, because it is equal to n+sod(n) for n = 66411005230196 and 66411005230205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5803954 + ... + 12903793.

It is an arithmetic number, because the mean of its divisors is an integer number (1783793125674).

Almost surely, 266411005230240 is an apocalyptic number.

It is an amenable number.

66411005230240 is an abundant number, since it is smaller than the sum of its proper divisors (104833134834464).

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

66411005230240 is a wasteful number, since it uses less digits than its factorization.

66411005230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18709790 (or 18709782 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 66411005230240 in words is "sixty-six trillion, four hundred eleven billion, five million, two hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 2017 4034 8068 10085 16136 20170 22187 32272 40340 44374 64544 80680 88748 110935 161360 177496 221870 322720 354992 443740 709984 887480 1774960 3549920 18707747 37415494 74830988 93538735 149661976 187077470 205785217 299323952 374154940 411570434 598647904 748309880 823140868 1028926085 1496619760 1646281736 2057852170 2993239520 3292563472 4115704340 6585126944 8231408680 16462817360 32925634720 37733525699 75467051398 150934102796 188667628495 301868205592 377335256990 415068782689 603736411184 754670513980 830137565378 1207472822368 1509341027960 1660275130756 2075343913445 3018682055920 3320550261512 4150687826890 6037364111840 6641100523024 8301375653780 13282201046048 16602751307560 33205502615120 66411005230240