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212451518469120 = 2103572282275083
BaseRepresentation
bin110000010011100100111001…
…010010100101010000000000
31000212020011111121100221000120
4300103210321102211100000
5210321301202212002440
62031502514043220240
762515054452103500
oct6023447122452000
91025204447327016
10212451518469120
116176a201637957
121b9b263b817680
139171127817448
143a669cba45a00
1519865416e4dd0
hexc139394a5400

212451518469120 has 264 divisors, whose sum is σ = 790453788624864. Its totient is φ = 48560346906624.

The previous prime is 212451518469119. The next prime is 212451518469173. The reversal of 212451518469120 is 21964815154212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140384902 + ... + 141890181.

Almost surely, 2212451518469120 is an apocalyptic number.

212451518469120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212451518469120 is an abundant number, since it is smaller than the sum of its proper divisors (578002270155744).

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

212451518469120 is a wasteful number, since it uses less digits than its factorization.

212451518469120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282275125 (or 282275100 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 212451518469120 in words is "two hundred twelve trillion, four hundred fifty-one billion, five hundred eighteen million, four hundred sixty-nine thousand, one hundred twenty".