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9540868640568 = 2331747227553631
BaseRepresentation
bin1000101011010110100000…
…0101100000111100111000
31020210002122112120120221020
42022311220011200330320
52222304144332444233
632143003050342440
72003206422234336
oct212655005407470
936702575516836
109540868640568
113049294688131
1210a110172aa20
13542914026a05
1424dacd9ccb56
151182a71cb9b3
hex8ad68160f38

9540868640568 has 32 divisors (see below), whose sum is σ = 23865824924160. Its totient is φ = 3178469103840.

The previous prime is 9540868640551. The next prime is 9540868640591. The reversal of 9540868640568 is 8650468680459.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 113734888 + ... + 113818743.

It is an arithmetic number, because the mean of its divisors is an integer number (745807028880).

Almost surely, 29540868640568 is an apocalyptic number.

It is an amenable number.

9540868640568 is an abundant number, since it is smaller than the sum of its proper divisors (14324956283592).

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

9540868640568 is a wasteful number, since it uses less digits than its factorization.

9540868640568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227555387 (or 227555383 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 69.

The spelling of 9540868640568 in words is "nine trillion, five hundred forty billion, eight hundred sixty-eight million, six hundred forty thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1747 3494 5241 6988 10482 13976 20964 41928 227553631 455107262 682660893 910214524 1365321786 1820429048 2730643572 5461287144 397536193357 795072386714 1192608580071 1590144773428 2385217160142 3180289546856 4770434320284 9540868640568