Base | Representation |
---|---|
bin | 110010010001101111111011… |
… | …100101000111101100001101 |
3 | 1001222221001120220122112102011 |
4 | 302101233323211013230031 |
5 | 212440330400130041023 |
6 | 2102142015443301221 |
7 | 64401352562046241 |
oct | 6221577345075415 |
9 | 1058831526575364 |
10 | 221122022112013 |
11 | 64502360930050 |
12 | 20972b1997a811 |
13 | 964c942942699 |
14 | 3c86512004421 |
15 | 1a86d57e2150d |
hex | c91bfb947b0d |
221122022112013 has 16 divisors (see below), whose sum is σ = 245023266216960. Its totient is φ = 197858859620400.
The previous prime is 221122022112011. The next prime is 221122022112023. The reversal of 221122022112013 is 310211220221122.
It is not a de Polignac number, because 221122022112013 - 21 = 221122022112011 is a prime.
It is a super-2 number, since 2×2211220221120132 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221122022112011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120957043 + ... + 122771536.
It is an arithmetic number, because the mean of its divisors is an integer number (15313954138560).
Almost surely, 2221122022112013 is an apocalyptic number.
It is an amenable number.
221122022112013 is a deficient number, since it is larger than the sum of its proper divisors (23901244104947).
221122022112013 is a wasteful number, since it uses less digits than its factorization.
221122022112013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243729888.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 221122022112013 its reverse (310211220221122), we get a palindrome (531333242333135).
The spelling of 221122022112013 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, one hundred twelve thousand, thirteen".
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