Base | Representation |
---|---|
bin | 11001000100000… |
… | …01000110101100 |
3 | 112122121111120021 |
4 | 30202001012230 |
5 | 412310302022 |
6 | 32510131524 |
7 | 5132021206 |
oct | 1442010654 |
9 | 478544507 |
10 | 210244012 |
11 | a874a490 |
12 | 5a4b0ba4 |
13 | 34732c54 |
14 | 1dccb776 |
15 | 136ce7c7 |
hex | c8811ac |
210244012 has 48 divisors (see below), whose sum is σ = 423101952. Its totient is φ = 90478080.
The previous prime is 210244009. The next prime is 210244031. The reversal of 210244012 is 210442012.
It is a super-2 number, since 2×2102440122 = 88405089163712288, which contains 22 as substring.
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, 103228 + ... + 105244.
It is an arithmetic number, because the mean of its divisors is an integer number (8814624).
Almost surely, 2210244012 is an apocalyptic number.
210244012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
210244012 is an abundant number, since it is smaller than the sum of its proper divisors (212857940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210244012 is a wasteful number, since it uses less digits than its factorization.
210244012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2158 (or 2156 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 210244012 is about 14499.7935157712. The cubic root of 210244012 is about 594.6223265272.
Adding to 210244012 its reverse (210442012), we get a palindrome (420686024).
The spelling of 210244012 in words is "two hundred ten million, two hundred forty-four thousand, twelve".
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