Base | Representation |
---|---|
bin | 101111001000010111… |
… | …0010010101110001110 |
3 | 100200020122210200021000 |
4 | 1132100232102232032 |
5 | 3124240322132342 |
6 | 114255110521130 |
7 | 10212064242213 |
oct | 1362056225616 |
9 | 320218720230 |
10 | 101212302222 |
11 | 39a18784769 |
12 | 177479661a6 |
13 | 970ca20635 |
14 | 4c82073b0a |
15 | 29758a544c |
hex | 1790b92b8e |
101212302222 has 16 divisors (see below), whose sum is σ = 224916227280. Its totient is φ = 33737434056.
The previous prime is 101212302203. The next prime is 101212302227. The reversal of 101212302222 is 222203212101.
It is a super-2 number, since 2×1012123022222 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 101212302195 and 101212302204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101212302227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937150893 + ... + 937151000.
It is an arithmetic number, because the mean of its divisors is an integer number (14057264205).
Almost surely, 2101212302222 is an apocalyptic number.
101212302222 is an abundant number, since it is smaller than the sum of its proper divisors (123703925058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212302222 is a wasteful number, since it uses less digits than its factorization.
101212302222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1874301904 (or 1874301898 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 101212302222 its reverse (222203212101), we get a palindrome (323415514323).
The spelling of 101212302222 in words is "one hundred one billion, two hundred twelve million, three hundred two thousand, two hundred twenty-two".
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