Base | Representation |
---|---|
bin | 1100001110110000100… |
… | …0010001100011000100 |
3 | 202002100121220002010220 |
4 | 3003230020101203010 |
5 | 11420311211202322 |
6 | 240310001144340 |
7 | 21115653501642 |
oct | 3035410214304 |
9 | 662317802126 |
10 | 210120022212 |
11 | 81125302721 |
12 | 3488092b0b0 |
13 | 16a77b406b9 |
14 | a254168192 |
15 | 56ebb3e55c |
hex | 30ec2118c4 |
210120022212 has 48 divisors (see below), whose sum is σ = 496464017280. Its totient is φ = 69159877632.
The previous prime is 210120022207. The next prime is 210120022327. The reversal of 210120022212 is 212220021012.
It is a junction number, because it is equal to n+sod(n) for n = 210120022191 and 210120022200.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305398 + ... + 716594.
It is an arithmetic number, because the mean of its divisors is an integer number (10343000360).
Almost surely, 2210120022212 is an apocalyptic number.
It is an amenable number.
210120022212 is an abundant number, since it is smaller than the sum of its proper divisors (286343995068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210120022212 is a wasteful number, since it uses less digits than its factorization.
210120022212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411740 (or 411738 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 210120022212 its reverse (212220021012), we get a palindrome (422340043224).
The spelling of 210120022212 in words is "two hundred ten billion, one hundred twenty million, twenty-two thousand, two hundred twelve".
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