Base | Representation |
---|---|
bin | 10001110010001011000… |
… | …000111110110001101101 |
3 | 11022211110110101221221100 |
4 | 101302023000332301231 |
5 | 130010331332032341 |
6 | 2333232032353313 |
7 | 154202565056523 |
oct | 21621300766155 |
9 | 4284413357840 |
10 | 1222103002221 |
11 | 431322314882 |
12 | 178a279a5839 |
13 | 8b322891b4a |
14 | 43215c3c313 |
15 | 21bca3b33b6 |
hex | 11c8b03ec6d |
1222103002221 has 24 divisors (see below), whose sum is σ = 1822382042624. Its totient is φ = 788376408480.
The previous prime is 1222103002207. The next prime is 1222103002339. The reversal of 1222103002221 is 1222003012221.
1222103002221 is a `hidden beast` number, since 122 + 21 + 0 + 300 + 2 + 221 = 666.
It is not a de Polignac number, because 1222103002221 - 214 = 1222102985837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1222103002194 and 1222103002203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222103002201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2714040 + ... + 3132126.
Almost surely, 21222103002221 is an apocalyptic number.
It is an amenable number.
1222103002221 is a deficient number, since it is larger than the sum of its proper divisors (600279040403).
1222103002221 is a wasteful number, since it uses less digits than its factorization.
1222103002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428601 (or 428598 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1222103002221 its reverse (1222003012221), we get a palindrome (2444106014442).
The spelling of 1222103002221 in words is "one trillion, two hundred twenty-two billion, one hundred three million, two thousand, two hundred twenty-one".
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