Base | Representation |
---|---|
bin | 10001110010000101100… |
… | …010110111011111111010 |
3 | 11022211020001201001011021 |
4 | 101302011202313133322 |
5 | 130010134333101020 |
6 | 2333214553253054 |
7 | 154200402000655 |
oct | 21620542673772 |
9 | 4284201631137 |
10 | 1222011222010 |
11 | 431285527a67 |
12 | 178a0110418a |
13 | 8b309868827 |
14 | 4320798a89c |
15 | 21bc22d41aa |
hex | 11c858b77fa |
1222011222010 has 32 divisors (see below), whose sum is σ = 2221641158544. Its totient is φ = 483912000000.
The previous prime is 1222011222007. The next prime is 1222011222011. The reversal of 1222011222010 is 102221102221.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1216986255241 + 5024966769 = 1103171^2 + 70887^2 .
It is a super-2 number, since 2×12220112220102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1222011222011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9938910 + ... + 10061110.
Almost surely, 21222011222010 is an apocalyptic number.
1222011222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222011222010 is a deficient number, since it is larger than the sum of its proper divisors (999629936534).
1222011222010 is a wasteful number, since it uses less digits than its factorization.
1222011222010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132210.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222011222010 its reverse (102221102221), we get a palindrome (1324232324231).
The spelling of 1222011222010 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, ten".
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