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6681035635008 = 263773199342191
BaseRepresentation
bin110000100111000110011…
…0000010111100101000000
3212122200220212020101112120
41201032030300113211000
51333430230110310013
622113120404124240
71256455201616640
oct141161460274500
925580825211476
106681035635008
112146458494a29
128ba9b5396680
13396032858097
14191514594520
15b8bc8194123
hex6138cc17940

6681035635008 has 224 divisors, whose sum is σ = 20581890662400. Its totient is φ = 1873252085760.

The previous prime is 6681035634997. The next prime is 6681035635039. The reversal of 6681035635008 is 8005365301866.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-3 number, since 3×66810356350083 (a number of 39 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 19353193 + ... + 19695383.

Almost surely, 26681035635008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6681035635008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10290945331200).

6681035635008 is an abundant number, since it is smaller than the sum of its proper divisors (13900855027392).

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

6681035635008 is a wasteful number, since it uses less digits than its factorization.

6681035635008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342485 (or 342475 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 6681035635008 in words is "six trillion, six hundred eighty-one billion, thirty-five million, six hundred thirty-five thousand, eight".