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23211003012 = 22323264731771
BaseRepresentation
bin10101100111011110…
…111100110010000100
32012220121121010022020
4111213132330302010
5340014004044022
614355112203140
71451122161501
oct254736746204
965817533266
1023211003012
11993100811a
1245b93994b0
13225b9c9712
1411a29364a8
1590cade35c
hex5677bcc84

23211003012 has 48 divisors (see below), whose sum is σ = 56536876032. Its totient is φ = 7397580960.

The previous prime is 23211002951. The next prime is 23211003019. The reversal of 23211003012 is 21030011232.

It is a junction number, because it is equal to n+sod(n) for n = 23211002982 and 23211003000.

It is not an unprimeable number, because it can be changed into a prime (23211003019) 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, 714687 + ... + 746457.

It is an arithmetic number, because the mean of its divisors is an integer number (1177851584).

Almost surely, 223211003012 is an apocalyptic number.

It is an amenable number.

23211003012 is an abundant number, since it is smaller than the sum of its proper divisors (33325873020).

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

23211003012 is a wasteful number, since it uses less digits than its factorization.

23211003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34448 (or 34446 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23211003012 its reverse (21030011232), we get a palindrome (44241014244).

The spelling of 23211003012 in words is "twenty-three billion, two hundred eleven million, three thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2647 5294 7941 10588 15882 31764 31771 60881 63542 95313 121762 127084 182643 190626 243524 365286 381252 730572 730733 1461466 2192199 2922932 4384398 8768796 84097837 168195674 252293511 336391348 504587022 1009174044 1934250251 3868500502 5802750753 7737001004 11605501506 23211003012