Base | Representation |
---|---|
bin | 11001010010011… |
… | …10110000110000 |
3 | 112210011120110101 |
4 | 30221032300300 |
5 | 413301304320 |
6 | 33014442144 |
7 | 5154055162 |
oct | 1451166060 |
9 | 483146411 |
10 | 212134960 |
11 | a9821154 |
12 | 5b063354 |
13 | 34c4585b |
14 | 20260932 |
15 | 13954c0a |
hex | ca4ec30 |
212134960 has 20 divisors (see below), whose sum is σ = 493213968. Its totient is φ = 84853952.
The previous prime is 212134939. The next prime is 212134961. The reversal of 212134960 is 69431212.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (212134961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325764 + ... + 1325923.
Almost surely, 2212134960 is an apocalyptic number.
212134960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212134960 is an abundant number, since it is smaller than the sum of its proper divisors (281079008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212134960 is a wasteful number, since it uses less digits than its factorization.
212134960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2651700 (or 2651694 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 212134960 is about 14564.8535866311. The cubic root of 212134960 is about 596.3996988562.
The spelling of 212134960 in words is "two hundred twelve million, one hundred thirty-four thousand, nine hundred sixty".
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