Base | Representation |
---|---|
bin | 1100010110100001001… |
… | …0010001111011101100 |
3 | 202021201210102022221120 |
4 | 3011220102101323230 |
5 | 11434042433120022 |
6 | 241252411100540 |
7 | 21221405623554 |
oct | 3055022217354 |
9 | 667653368846 |
10 | 212203020012 |
11 | 81aa4088805 |
12 | 35162441750 |
13 | 1701a557789 |
14 | a3b0a6a164 |
15 | 57be948d5c |
hex | 3168491eec |
212203020012 has 12 divisors (see below), whose sum is σ = 495140380056. Its totient is φ = 70734340000.
The previous prime is 212203019999. The next prime is 212203020017. The reversal of 212203020012 is 210020302212.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 212203019973 and 212203020000.
It is not an unprimeable number, because it can be changed into a prime (212203020017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8841792489 + ... + 8841792512.
It is an arithmetic number, because the mean of its divisors is an integer number (41261698338).
Almost surely, 2212203020012 is an apocalyptic number.
It is an amenable number.
212203020012 is an abundant number, since it is smaller than the sum of its proper divisors (282937360044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212203020012 is a wasteful number, since it uses less digits than its factorization.
212203020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17683585008 (or 17683585006 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 212203020012 its reverse (210020302212), we get a palindrome (422223322224).
The spelling of 212203020012 in words is "two hundred twelve billion, two hundred three million, twenty thousand, twelve".
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