Base | Representation |
---|---|
bin | 10001110010010001100… |
… | …101110110010100111001 |
3 | 11022211202011000012112000 |
4 | 101302101211312110321 |
5 | 130011043103031413 |
6 | 2333251013211213 |
7 | 154205404615530 |
oct | 21622145662471 |
9 | 4284664005460 |
10 | 1222213330233 |
11 | 43137961a955 |
12 | 178a58930b09 |
13 | 8b33c6b05ac |
14 | 4322675b317 |
15 | 21bd4e08073 |
hex | 11c91976539 |
1222213330233 has 32 divisors (see below), whose sum is σ = 2125284453120. Its totient is φ = 679531731840.
The previous prime is 1222213330231. The next prime is 1222213330301. The reversal of 1222213330233 is 3320333122221.
1222213330233 is a `hidden beast` number, since 1 + 2 + 222 + 133 + 302 + 3 + 3 = 666.
It is not a de Polignac number, because 1222213330233 - 21 = 1222213330231 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1222213330197 and 1222213330206.
It is not an unprimeable number, because it can be changed into a prime (1222213330231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87381348 + ... + 87395333.
It is an arithmetic number, because the mean of its divisors is an integer number (66415139160).
Almost surely, 21222213330233 is an apocalyptic number.
It is an amenable number.
1222213330233 is a deficient number, since it is larger than the sum of its proper divisors (903071122887).
1222213330233 is a wasteful number, since it uses less digits than its factorization.
1222213330233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174776734 (or 174776728 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 1222213330233 its reverse (3320333122221), we get a palindrome (4542546452454).
The spelling of 1222213330233 in words is "one trillion, two hundred twenty-two billion, two hundred thirteen million, three hundred thirty thousand, two hundred thirty-three".
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