Base | Representation |
---|---|
bin | 1011110000100101010… |
… | …1001001100110100100 |
3 | 201022110010021102121011 |
4 | 2330021111021212210 |
5 | 11302214110032322 |
6 | 232450125432004 |
7 | 20411146454200 |
oct | 2741125114644 |
9 | 638403242534 |
10 | 202020002212 |
11 | 7874902a816 |
12 | 331a010b604 |
13 | 1608697a962 |
14 | 9ac64a5b00 |
15 | 53c5988677 |
hex | 2f095499a4 |
202020002212 has 18 divisors (see below), whose sum is σ = 411255004902. Its totient is φ = 86580000864.
The previous prime is 202020002201. The next prime is 202020002213. The reversal of 202020002212 is 212200020202.
It can be written as a sum of positive squares in only one way, i.e., 189463455076 + 12556547136 = 435274^2 + 112056^2 .
It is a junction number, because it is equal to n+sod(n) for n = 202020002192 and 202020002201.
It is not an unprimeable number, because it can be changed into a prime (202020002213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515356953 + ... + 515357344.
Almost surely, 2202020002212 is an apocalyptic number.
It is an amenable number.
202020002212 is an abundant number, since it is smaller than the sum of its proper divisors (209235002690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202020002212 is a wasteful number, since it uses less digits than its factorization.
202020002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1030714315 (or 1030714306 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 202020002212 its reverse (212200020202), we get a palindrome (414220022414).
The spelling of 202020002212 in words is "two hundred two billion, twenty million, two thousand, two hundred twelve".
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