Search a number
-
+
211083168384 = 273211311274231
BaseRepresentation
bin1100010010010110001…
…0011000101010000000
3202011211202012222022100
43010211202120222000
511424244242342014
6240545324510400
721151560220164
oct3044542305200
9664752188270
10211083168384
1181579a446a0
1234aab3ab400
1316b9c54608a
14a306040ca4
155756491009
hex3125898a80

211083168384 has 384 divisors, whose sum is σ = 689557340160. Its totient is φ = 61399296000.

The previous prime is 211083168301. The next prime is 211083168391. The reversal of 211083168384 is 483861380112.

211083168384 is a `hidden beast` number, since 2 + 1 + 108 + 3 + 168 + 384 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×2110831683842 (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 49887549 + ... + 49891779.

It is an arithmetic number, because the mean of its divisors is an integer number (1795722240).

Almost surely, 2211083168384 is an apocalyptic number.

211083168384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211083168384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344778670080).

211083168384 is an abundant number, since it is smaller than the sum of its proper divisors (478474171776).

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

211083168384 is a wasteful number, since it uses less digits than its factorization.

211083168384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 211083168384 in words is "two hundred eleven billion, eighty-three million, one hundred sixty-eight thousand, three hundred eighty-four".