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13851968335800 = 23352718118221479
BaseRepresentation
bin1100100110010010100110…
…1001101110111110111000
31211001020100111020020222220
43021210221221232332320
53303422312343221200
645243301214444040
72626525455101460
oct311445151567670
954036314206886
1013851968335800
114460650007341
121678730203620
1379630941353a
1435c620292ba0
151904c50294a0
hexc9929a6efb8

13851968335800 has 192 divisors, whose sum is σ = 49346683276800. Its totient is φ = 3148671398400.

The previous prime is 13851968335763. The next prime is 13851968335831. The reversal of 13851968335800 is 853386915831.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8350540 + ... + 9870939.

It is an arithmetic number, because the mean of its divisors is an integer number (257013975400).

Almost surely, 213851968335800 is an apocalyptic number.

13851968335800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13851968335800 is an abundant number, since it is smaller than the sum of its proper divisors (35494714941000).

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

13851968335800 is a wasteful number, since it uses less digits than its factorization.

13851968335800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18221686 (or 18221677 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 13851968335800 in words is "thirteen trillion, eight hundred fifty-one billion, nine hundred sixty-eight million, three hundred thirty-five thousand, eight hundred".