Base | Representation |
---|---|
bin | 10110101111111010… |
… | …00000110101100010 |
3 | 1011112010222012220102 |
4 | 23113331000311202 |
5 | 200003013431432 |
6 | 5335515342402 |
7 | 611436021110 |
oct | 132775006542 |
9 | 34463865812 |
10 | 12213030242 |
11 | 51a7a34426 |
12 | 244a151a02 |
13 | 11c8331a1a |
14 | 83c032ab0 |
15 | 4b7300962 |
hex | 2d7f40d62 |
12213030242 has 16 divisors (see below), whose sum is σ = 20938148352. Its totient is φ = 5233774560.
The previous prime is 12213030173. The next prime is 12213030257. The reversal of 12213030242 is 24203031221.
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, 259142 + ... + 302622.
It is an arithmetic number, because the mean of its divisors is an integer number (1308634272).
Almost surely, 212213030242 is an apocalyptic number.
12213030242 is a deficient number, since it is larger than the sum of its proper divisors (8725118110).
12213030242 is a wasteful number, since it uses less digits than its factorization.
12213030242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63553.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12213030242 its reverse (24203031221), we get a palindrome (36416061463).
The spelling of 12213030242 in words is "twelve billion, two hundred thirteen million, thirty thousand, two hundred forty-two".
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