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220133333231 = 779896944383
BaseRepresentation
bin1100110100000011111…
…0000001100011101111
3210001012110200222112222
43031000332001203233
512101313113130411
6245043341145555
721622052313350
oct3150076014357
9701173628488
10220133333231
11853a3589479
12367b625b2bb
13179b250b7c6
14a923d93d27
155ad5c7b4db
hex3340f818ef

220133333231 has 16 divisors (see below), whose sum is σ = 254799667200. Its totient is φ = 186272319168.

The previous prime is 220133333207. The next prime is 220133333237. The reversal of 220133333231 is 132333331022.

It is a happy number.

220133333231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220133333231 is a prime.

It is a super-2 number, since 2×2201333332312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220133333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133333237) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4937666 + ... + 4982048.

It is an arithmetic number, because the mean of its divisors is an integer number (15924979200).

Almost surely, 2220133333231 is an apocalyptic number.

220133333231 is a deficient number, since it is larger than the sum of its proper divisors (34666333969).

220133333231 is an equidigital number, since it uses as much as digits as its factorization.

220133333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53438.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 220133333231 its reverse (132333331022), we get a palindrome (352466664253).

The spelling of 220133333231 in words is "two hundred twenty billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 7 79 553 8969 44383 62783 310681 708551 3506257 4959857 24543799 398071127 2786497889 31447619033 220133333231