Base | Representation |
---|---|
bin | 1100010110001000110… |
… | …1011111101001111000 |
3 | 202021110200122100222210 |
4 | 3011202031133221320 |
5 | 11433340340232300 |
6 | 241234330415120 |
7 | 21216030423231 |
oct | 3054215375170 |
9 | 667420570883 |
10 | 212101102200 |
11 | 81a515a7409 |
12 | 351342914a0 |
13 | 170023c2090 |
14 | a3a12da088 |
15 | 57b5a16050 |
hex | 316235fa78 |
212101102200 has 96 divisors (see below), whose sum is σ = 708091398000. Its totient is φ = 52209500160.
The previous prime is 212101102193. The next prime is 212101102207. The reversal of 212101102200 is 2201101212.
It is an interprime number because it is at equal distance from previous prime (212101102193) and next prime (212101102207).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212101102207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13588425 + ... + 13604024.
Almost surely, 2212101102200 is an apocalyptic number.
212101102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212101102200 is an abundant number, since it is smaller than the sum of its proper divisors (495990295800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212101102200 is a wasteful number, since it uses less digits than its factorization.
212101102200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27192481 (or 27192472 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 212101102200 its reverse (2201101212), we get a palindrome (214302203412).
The spelling of 212101102200 in words is "two hundred twelve billion, one hundred one million, one hundred two thousand, two hundred".
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