Search a number
-
+
220133186784 = 253572678623
BaseRepresentation
bin1100110100000011110…
…1011101110011100000
3210001012110102112200000
43031000331131303200
512101313043434114
6245043334100000
721622051133400
oct3150075356340
9701173375600
10220133186784
11853a3499445
12367b61aa600
13179b2489c54
14a923d56800
155ad5c4ce09
hex3340f5dce0

220133186784 has 432 divisors, whose sum is σ = 766539341568. Its totient is φ = 61949276928.

The previous prime is 220133186773. The next prime is 220133186837. The reversal of 220133186784 is 487681331022.

220133186784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25524297 + ... + 25532919.

It is an arithmetic number, because the mean of its divisors is an integer number (1774396624).

Almost surely, 2220133186784 is an apocalyptic number.

220133186784 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 220133186784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383269670784).

220133186784 is an abundant number, since it is smaller than the sum of its proper divisors (546406154784).

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

220133186784 is an equidigital number, since it uses as much as digits as its factorization.

220133186784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729 (or 8702 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 220133186784 in words is "two hundred twenty billion, one hundred thirty-three million, one hundred eighty-six thousand, seven hundred eighty-four".