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6943113216 = 21532131811
BaseRepresentation
bin1100111011101011…
…11000000000000000
3122220212200200210100
412131311320000000
5103204414110331
63104543002400
7334025326404
oct63565700000
918825620710
106943113216
112a4322a7a6
121419299400
138685a9020
1449c18d104
152a982dae6
hex19dd78000

6943113216 has 192 divisors, whose sum is σ = 21612394440. Its totient is φ = 2135162880.

The previous prime is 6943113187. The next prime is 6943113257. The reversal of 6943113216 is 6123113496.

6943113216 is a `hidden beast` number, since 6 + 9 + 431 + 1 + 3 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×69431132162 = 96413642260387725312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3832951 + ... + 3834761.

Almost surely, 26943113216 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 6943113216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10806197220).

6943113216 is an abundant number, since it is smaller than the sum of its proper divisors (14669281224).

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

6943113216 is a wasteful number, since it uses less digits than its factorization.

6943113216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1829 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6943113216 is about 83325.3455798414. The cubic root of 6943113216 is about 1907.7351530386.

The spelling of 6943113216 in words is "six billion, nine hundred forty-three million, one hundred thirteen thousand, two hundred sixteen".