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23331221030 = 2513179470931
BaseRepresentation
bin10101101110101001…
…100010111000100110
32020012222210211102102
4111232221202320212
5340240243033110
614415045012102
71454112051365
oct255651427046
966188724372
1023331221030
119992958757
1246316b4032
13227a89b940
1411b48ab7dc
159184395a5
hex56ea62e26

23331221030 has 16 divisors (see below), whose sum is σ = 45226674864. Its totient is φ = 8614604640.

The previous prime is 23331221009. The next prime is 23331221059. The reversal of 23331221030 is 3012213332.

It is a junction number, because it is equal to n+sod(n) for n = 23331220993 and 23331221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89735336 + ... + 89735595.

It is an arithmetic number, because the mean of its divisors is an integer number (2826667179).

Almost surely, 223331221030 is an apocalyptic number.

23331221030 is a deficient number, since it is larger than the sum of its proper divisors (21895453834).

23331221030 is a wasteful number, since it uses less digits than its factorization.

23331221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179470951.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23331221030 its reverse (3012213332), we get a palindrome (26343434362).

The spelling of 23331221030 in words is "twenty-three billion, three hundred thirty-one million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 179470931 358941862 897354655 1794709310 2333122103 4666244206 11665610515 23331221030