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52271406768 = 2437198187877
BaseRepresentation
bin110000101011100111…
…100101111010110000
311222220212212120221110
4300223213211322300
51324022440004033
640002501353320
73530222424630
oct605347457260
9158825776843
1052271406768
1120193934629
12a169708840
134c105132b9
14275c2786c0
15155deb9363
hexc2b9e5eb0

52271406768 has 80 divisors (see below), whose sum is σ = 162447499520. Its totient is φ = 14148649728.

The previous prime is 52271406767. The next prime is 52271406779. The reversal of 52271406768 is 86760417225.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (52271406767) by changing a digit.

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, 4087555 + ... + 4100322.

It is an arithmetic number, because the mean of its divisors is an integer number (2030593744).

Almost surely, 252271406768 is an apocalyptic number.

It is an amenable number.

52271406768 is an abundant number, since it is smaller than the sum of its proper divisors (110176092752).

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

52271406768 is a wasteful number, since it uses less digits than its factorization.

52271406768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187914 (or 8187908 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 52271406768 in words is "fifty-two billion, two hundred seventy-one million, four hundred six thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 8187877 16375754 24563631 32751508 49127262 57315139 65503016 98254524 114630278 131006032 155569663 171945417 196509048 229260556 311139326 343890834 393018096 458521112 466708989 622278652 687781668 917042224 933417978 1088987641 1244557304 1375563336 1866835956 2177975282 2489114608 2751126672 3266962923 3733671912 4355950564 6533925846 7467343824 8711901128 13067851692 17423802256 26135703384 52271406768