Base | Representation |
---|---|
bin | 1100010110100101010… |
… | …0001100111110010000 |
3 | 202021202222221022021120 |
4 | 3011221110030332100 |
5 | 11434111344114300 |
6 | 241254225322240 |
7 | 21222005540205 |
oct | 3055124147620 |
9 | 667688838246 |
10 | 212220301200 |
11 | 82002911386 |
12 | 35168196380 |
13 | 17020cc852b |
14 | a3b3087cac |
15 | 57c120e3a0 |
hex | 316950cf90 |
212220301200 has 60 divisors (see below), whose sum is σ = 679812368688. Its totient is φ = 56592080000.
The previous prime is 212220301157. The next prime is 212220301253. The reversal of 212220301200 is 2103022212.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 212220301200.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 88423926 + ... + 88426325.
Almost surely, 2212220301200 is an apocalyptic number.
212220301200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212220301200 is an abundant number, since it is smaller than the sum of its proper divisors (467592067488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212220301200 is a wasteful number, since it uses less digits than its factorization.
212220301200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176850272 (or 176850261 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 212220301200 its reverse (2103022212), we get a palindrome (214323323412).
The spelling of 212220301200 in words is "two hundred twelve billion, two hundred twenty million, three hundred one thousand, two hundred".
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