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213233223012 = 223127139916813
BaseRepresentation
bin1100011010010110110…
…0001100010101100100
3202101101120221001210020
43012211230030111210
511443200201114022
6241542531555140
721256055330055
oct3064554142544
9671346831706
10213233223012
1182482660547
12353ab45bab0
1317152b0b154
14a46b7da72c
1558300e435c
hex31a5b0c564

213233223012 has 24 divisors (see below), whose sum is σ = 501461861376. Its totient is φ = 70518073248.

The previous prime is 213233222989. The next prime is 213233223017. The reversal of 213233223012 is 210322332312.

It is not an unprimeable number, because it can be changed into a prime (213233223017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69956883 + ... + 69959930.

It is an arithmetic number, because the mean of its divisors is an integer number (20894244224).

Almost surely, 2213233223012 is an apocalyptic number.

It is an amenable number.

213233223012 is an abundant number, since it is smaller than the sum of its proper divisors (288228638364).

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

213233223012 is a wasteful number, since it uses less digits than its factorization.

213233223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139916947 (or 139916945 counting only the distinct ones).

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

Adding to 213233223012 its reverse (210322332312), we get a palindrome (423555555324).

The spelling of 213233223012 in words is "two hundred thirteen billion, two hundred thirty-three million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 139916813 279833626 419750439 559667252 839500878 1679001756 17769435251 35538870502 53308305753 71077741004 106616611506 213233223012