Base | Representation |
---|---|
bin | 100100011010110… |
… | …0110110010000001 |
3 | 10011011102122100221 |
4 | 1020311212302001 |
5 | 10000313341113 |
6 | 321131543041 |
7 | 42165634204 |
oct | 11065466201 |
9 | 3134378327 |
10 | 1222012033 |
11 | 577880800 |
12 | 2a12baa81 |
13 | 166230658 |
14 | b841d93b |
15 | 7243798d |
hex | 48d66c81 |
1222012033 has 12 divisors (see below), whose sum is σ = 1386536704. Its totient is φ = 1075080600.
The previous prime is 1222012031. The next prime is 1222012039. The reversal of 1222012033 is 3302102221.
It is not a de Polignac number, because 1222012033 - 21 = 1222012031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1222011998 and 1222012016.
It is not an unprimeable number, because it can be changed into a prime (1222012031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159141 + ... + 166642.
Almost surely, 21222012033 is an apocalyptic number.
It is an amenable number.
1222012033 is a deficient number, since it is larger than the sum of its proper divisors (164524671).
1222012033 is a wasteful number, since it uses less digits than its factorization.
1222012033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325836 (or 325825 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1222012033 is about 34957.2886963506. The cubic root of 1222012033 is about 1069.1168165625.
Adding to 1222012033 its reverse (3302102221), we get a palindrome (4524114254).
The spelling of 1222012033 in words is "one billion, two hundred twenty-two million, twelve thousand, thirty-three".
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