Base | Representation |
---|---|
bin | 11101001010110001111… |
… | …10101111001100011011 |
3 | 10112210220110011100102021 |
4 | 32211120332233030123 |
5 | 112410021334034321 |
6 | 2044225201315311 |
7 | 132256644215116 |
oct | 16453076571433 |
9 | 3483813140367 |
10 | 1002220221211 |
11 | 357048206a60 |
12 | 1422a1635b37 |
13 | 7368025a1c1 |
14 | 3671726957d |
15 | 1b10b629941 |
hex | e958faf31b |
1002220221211 has 8 divisors (see below), whose sum is σ = 1093494682800. Its totient is φ = 910973015040.
The previous prime is 1002220221157. The next prime is 1002220221251. The reversal of 1002220221211 is 1121220222001.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1002220221211 - 213 = 1002220213019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1002220221251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6736926 + ... + 6884083.
It is an arithmetic number, because the mean of its divisors is an integer number (136686835350).
Almost surely, 21002220221211 is an apocalyptic number.
1002220221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1002220221211 is a deficient number, since it is larger than the sum of its proper divisors (91274461589).
1002220221211 is a wasteful number, since it uses less digits than its factorization.
1002220221211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13627709.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1002220221211 its reverse (1121220222001), we get a palindrome (2123440443212).
The spelling of 1002220221211 in words is "one trillion, two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".
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