Base | Representation |
---|---|
bin | 10001011110100001110… |
… | …110001101111011111110 |
3 | 11020211000112111102100021 |
4 | 101132201312031323332 |
5 | 124134132333021342 |
6 | 2315423102322354 |
7 | 152525114634652 |
oct | 21364166157376 |
9 | 4224015442307 |
10 | 1201011220222 |
11 | 423389583890 |
12 | 1749202893ba |
13 | 89340c52c78 |
14 | 421b4956a62 |
15 | 21393886567 |
hex | 117a1d8defe |
1201011220222 has 8 divisors (see below), whose sum is σ = 1965291087672. Its totient is φ = 545914191000.
The previous prime is 1201011220217. The next prime is 1201011220223. The reversal of 1201011220222 is 2220221101021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1201011220196 and 1201011220205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201011220223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27295709529 + ... + 27295709572.
It is an arithmetic number, because the mean of its divisors is an integer number (245661385959).
Almost surely, 21201011220222 is an apocalyptic number.
1201011220222 is a deficient number, since it is larger than the sum of its proper divisors (764279867450).
1201011220222 is a wasteful number, since it uses less digits than its factorization.
1201011220222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54591419114.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1201011220222 its reverse (2220221101021), we get a palindrome (3421232321243).
The spelling of 1201011220222 in words is "one trillion, two hundred one billion, eleven million, two hundred twenty thousand, two hundred twenty-two".
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