Base | Representation |
---|---|
bin | 1100010110001011000… |
… | …0001101010100001000 |
3 | 202021111022202200201212 |
4 | 3011202300031110020 |
5 | 11433400202431440 |
6 | 241235253432252 |
7 | 21216200653505 |
oct | 3054260152410 |
9 | 667438680655 |
10 | 212110202120 |
11 | 81a56752303 |
12 | 3513733b688 |
13 | 1700425a04b |
14 | a3a25c84ac |
15 | 57b6712465 |
hex | 3162c0d508 |
212110202120 has 64 divisors (see below), whose sum is σ = 480155955840. Its totient is φ = 84328473600.
The previous prime is 212110202041. The next prime is 212110202141. The reversal of 212110202120 is 21202011212.
It is a junction number, because it is equal to n+sod(n) for n = 212110202095 and 212110202104.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5020685 + ... + 5062755.
It is an arithmetic number, because the mean of its divisors is an integer number (7502436810).
Almost surely, 2212110202120 is an apocalyptic number.
212110202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212110202120 is an abundant number, since it is smaller than the sum of its proper divisors (268045753720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212110202120 is a wasteful number, since it uses less digits than its factorization.
212110202120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42846 (or 42842 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 212110202120 its reverse (21202011212), we get a palindrome (233312213332).
The spelling of 212110202120 in words is "two hundred twelve billion, one hundred ten million, two hundred two thousand, one hundred twenty".
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