Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1111110111010101110 |
3 | 100200020122122112222120 |
4 | 1132100231332322232 |
5 | 3124240312033402 |
6 | 114255105053410 |
7 | 10212063453546 |
oct | 1362055767256 |
9 | 320218575876 |
10 | 101212221102 |
11 | 39a18729823 |
12 | 17747927266 |
13 | 970c9c2735 |
14 | 4c82052326 |
15 | 297588b3bc |
hex | 1790b7eeae |
101212221102 has 16 divisors (see below), whose sum is σ = 203542811472. Its totient is φ = 33551012160.
The previous prime is 101212221091. The next prime is 101212221167. The reversal of 101212221102 is 201122212101.
101212221102 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 46597543 + ... + 46599714.
It is an arithmetic number, because the mean of its divisors is an integer number (12721425717).
Almost surely, 2101212221102 is an apocalyptic number.
101212221102 is an abundant number, since it is smaller than the sum of its proper divisors (102330590370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212221102 is a wasteful number, since it uses less digits than its factorization.
101212221102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93197443.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 101212221102 its reverse (201122212101), we get a palindrome (302334433203).
Subtracting 101212221102 from its reverse (201122212101), we obtain a palindrome (99909990999).
The spelling of 101212221102 in words is "one hundred one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".
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