Base | Representation |
---|---|
bin | 1100010101110001001… |
… | …1110101011111011100 |
3 | 202021012210100121011112 |
4 | 3011130103311133130 |
5 | 11433140014214322 |
6 | 241220432441152 |
7 | 21213416061506 |
oct | 3053423653734 |
9 | 667183317145 |
10 | 212002101212 |
11 | 81a00728510 |
12 | 351070a91b8 |
13 | 16cb7a3b205 |
14 | a3920c8d76 |
15 | 57abeac5e2 |
hex | 315c4f57dc |
212002101212 has 48 divisors (see below), whose sum is σ = 428803266528. Its totient is φ = 90640158720.
The previous prime is 212002101169. The next prime is 212002101217. The reversal of 212002101212 is 212101200212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212002101217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137908 + ... + 1311044.
It is an arithmetic number, because the mean of its divisors is an integer number (8933401386).
Almost surely, 2212002101212 is an apocalyptic number.
212002101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212002101212 is an abundant number, since it is smaller than the sum of its proper divisors (216801165316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212002101212 is a wasteful number, since it uses less digits than its factorization.
212002101212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174806 (or 174804 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 212002101212 its reverse (212101200212), we get a palindrome (424103301424).
The spelling of 212002101212 in words is "two hundred twelve billion, two million, one hundred one thousand, two hundred twelve".
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