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233331222012 = 223725411109313
BaseRepresentation
bin1101100101001110011…
…1111110010111111100
3211022021020212012101120
43121103213332113330
512310330243101022
6255105121510540
722600110443250
oct3312347762774
9738236765346
10233331222012
118aa56434679
123927a1a2450
13190068a8855
14b416b12260
15610976bd5c
hex36539fe5fc

233331222012 has 48 divisors (see below), whose sum is σ = 622246770432. Its totient is φ = 66662830080.

The previous prime is 233331222001. The next prime is 233331222013. The reversal of 233331222012 is 210222133332.

It is a super-2 number, since 2×2333312220122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233331222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079868 + ... + 2189180.

It is an arithmetic number, because the mean of its divisors is an integer number (12963474384).

Almost surely, 2233331222012 is an apocalyptic number.

It is an amenable number.

233331222012 is an abundant number, since it is smaller than the sum of its proper divisors (388915548420).

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

233331222012 is a wasteful number, since it uses less digits than its factorization.

233331222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134738 (or 134736 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 233331222012 its reverse (210222133332), we get a palindrome (443553355344).

The spelling of 233331222012 in words is "two hundred thirty-three billion, three hundred thirty-one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 25411 50822 76233 101644 109313 152466 177877 218626 304932 327939 355754 437252 533631 655878 711508 765191 1067262 1311756 1530382 2134524 2295573 3060764 4591146 9182292 2777752643 5555505286 8333257929 11111010572 16666515858 19444268501 33333031716 38888537002 58332805503 77777074004 116665611006 233331222012