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6913471488 = 210371122657
BaseRepresentation
bin1100111000001001…
…10011010000000000
3122211210220201222120
412130010303100000
5103124322041423
63102003404240
7333215352360
oct63404632000
918753821876
106913471488
112a28524500
12140b383680
138623cb141
144982749a0
152a6e25ee3
hex19c133400

6913471488 has 264 divisors, whose sum is σ = 23156581056. Its totient is φ = 1795031040.

The previous prime is 6913471483. The next prime is 6913471489. The reversal of 6913471488 is 8841743196.

It is a tau number, because it is divible by the number of its divisors (264).

It is a self number, because there is not a number n which added to its sum of digits gives 6913471488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6913471483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2600656 + ... + 2603312.

Almost surely, 26913471488 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 6913471488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11578290528).

6913471488 is an abundant number, since it is smaller than the sum of its proper divisors (16243109568).

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

6913471488 is a wasteful number, since it uses less digits than its factorization.

6913471488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2680 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 6913471488 is about 83147.2879172857. The cubic root of 6913471488 is about 1905.0164287890.

The spelling of 6913471488 in words is "six billion, nine hundred thirteen million, four hundred seventy-one thousand, four hundred eighty-eight".