Base | Representation |
---|---|
bin | 1100010110001001000… |
… | …1011011001000011100 |
3 | 202021110202120200221212 |
4 | 3011202101123020130 |
5 | 11433341121213002 |
6 | 241234404443552 |
7 | 21216042243263 |
oct | 3054221331034 |
9 | 667422520855 |
10 | 212102132252 |
11 | 81a5214029a |
12 | 351346a95b8 |
13 | 17002692b8a |
14 | a3a14c75da |
15 | 57b5b6b352 |
hex | 316245b21c |
212102132252 has 12 divisors (see below), whose sum is σ = 371194437600. Its totient is φ = 106046578656.
The previous prime is 212102132239. The next prime is 212102132279. The reversal of 212102132252 is 252231201212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014377 + ... + 1205472.
It is an arithmetic number, because the mean of its divisors is an integer number (30932869800).
Almost surely, 2212102132252 is an apocalyptic number.
It is an amenable number.
212102132252 is a deficient number, since it is larger than the sum of its proper divisors (159092305348).
212102132252 is a wasteful number, since it uses less digits than its factorization.
212102132252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2243740 (or 2243738 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 212102132252 its reverse (252231201212), we get a palindrome (464333333464).
The spelling of 212102132252 in words is "two hundred twelve billion, one hundred two million, one hundred thirty-two thousand, two hundred fifty-two".
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