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55938856147818 = 2372419151603919
BaseRepresentation
bin11001011100000010001111…
…01001100101101101101010
321100001200222001202022002020
430232001013221211231222
524313000234133212233
6314545542235245310
714532310000650510
oct1456010751455552
9240050861668066
1055938856147818
1116907598a773a6
1263353a98a9836
13252a01c35cb87
14db5652a6c4b0
15670170c4a9b3
hex32e047a65b6a

55938856147818 has 64 divisors (see below), whose sum is σ = 128405025914880. Its totient is φ = 15914447136000.

The previous prime is 55938856147793. The next prime is 55938856147871. The reversal of 55938856147818 is 81874165883955.

55938856147818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×559388561478182 (a number of 28 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 92324463 + ... + 92928381.

It is an arithmetic number, because the mean of its divisors is an integer number (2006328529920).

Almost surely, 255938856147818 is an apocalyptic number.

55938856147818 is an abundant number, since it is smaller than the sum of its proper divisors (72466169767062).

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

55938856147818 is a wasteful number, since it uses less digits than its factorization.

55938856147818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613323.

The product of its digits is 2322432000, while the sum is 78.

The spelling of 55938856147818 in words is "fifty-five trillion, nine hundred thirty-eight billion, eight hundred fifty-six million, one hundred forty-seven thousand, eight hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 241 482 723 1446 1687 3374 5061 9151 10122 18302 27453 54906 64057 128114 192171 384342 603919 1207838 1811757 2205391 3623514 4227433 4410782 6616173 8454866 12682299 13232346 15437737 25364598 30875474 46313211 92626422 145544479 291088958 436633437 873266874 1018811353 2037622706 3056434059 5526462769 6112868118 11052925538 16579388307 33158776614 38685239383 77370478766 116055718149 232111436298 1331877527329 2663755054658 3995632581987 7991265163974 9323142691303 18646285382606 27969428073909 55938856147818