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868941941940528 = 243313715782874563
BaseRepresentation
bin1100010110010011000100111…
…1110001111010000100110000
311012221200001000222020120110020
43011210301033301322010300
51402343221044114044103
612320030230045203440
7351012661240253331
oct30544611761720460
94187601028216406
10868941941940528
11231965231a57095
128155a92a260580
132b3b1b481a6211
141148102b6c2288
156a6d2924cd753
hex3164c4fc7a130

868941941940528 has 80 divisors (see below), whose sum is σ = 2379804958258176. Its totient is φ = 272728072431360.

The previous prime is 868941941940481. The next prime is 868941941940551. The reversal of 868941941940528 is 825049149149868.

It is an unprimeable number.

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, 7891382226 + ... + 7891492337.

Almost surely, 2868941941940528 is an apocalyptic number.

It is an amenable number.

868941941940528 is an abundant number, since it is smaller than the sum of its proper divisors (1510863016317648).

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

868941941940528 is a wasteful number, since it uses less digits than its factorization.

868941941940528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782874642 (or 15782874636 counting only the distinct ones).

The product of its (nonzero) digits is 1433272320, while the sum is 78.

The spelling of 868941941940528 in words is "eight hundred sixty-eight trillion, nine hundred forty-one billion, nine hundred forty-one million, nine hundred forty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 37 48 62 74 93 111 124 148 186 222 248 296 372 444 496 592 744 888 1147 1488 1776 2294 3441 4588 6882 9176 13764 18352 27528 55056 15782874563 31565749126 47348623689 63131498252 94697247378 126262996504 189394494756 252525993008 378788989512 489269111453 583966358831 757577979024 978538222906 1167932717662 1467807334359 1751899076493 1957076445812 2335865435324 2935614668718 3503798152986 3914152891624 4671730870648 5871229337436 7007596305972 7828305783248 9343461741296 11742458674872 14015192611944 18102957123761 23484917349744 28030385223888 36205914247522 54308871371283 72411828495044 108617742742566 144823656990088 217235485485132 289647313980176 434470970970264 868941941940528