Base | Representation |
---|---|
bin | 10001110011001101101… |
… | …010100111001110000001 |
3 | 11022221100101111220102120 |
4 | 101303031222213032001 |
5 | 130020124112241113 |
6 | 2333535015434453 |
7 | 154242363514452 |
oct | 21631552471601 |
9 | 4287311456376 |
10 | 1223221212033 |
11 | 431846537417 |
12 | 17909a385a29 |
13 | 8b47044a162 |
14 | 432c055b129 |
15 | 21c43644a23 |
hex | 11ccdaa7381 |
1223221212033 has 32 divisors (see below), whose sum is σ = 1676147945472. Its totient is φ = 793054920000.
The previous prime is 1223221211981. The next prime is 1223221212089. The reversal of 1223221212033 is 3302121223221.
It is not a de Polignac number, because 1223221212033 - 26 = 1223221211969 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1223221211994 and 1223221212012.
It is not an unprimeable number, because it can be changed into a prime (1223221212833) 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, 123715216 + ... + 123725102.
It is an arithmetic number, because the mean of its divisors is an integer number (52379623296).
Almost surely, 21223221212033 is an apocalyptic number.
It is an amenable number.
1223221212033 is a deficient number, since it is larger than the sum of its proper divisors (452926733439).
1223221212033 is a wasteful number, since it uses less digits than its factorization.
1223221212033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14005.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 1223221212033 its reverse (3302121223221), we get a palindrome (4525342435254).
The spelling of 1223221212033 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-one million, two hundred twelve thousand, thirty-three".
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