Base | Representation |
---|---|
bin | 11001010001100… |
… | …00101111100000 |
3 | 112202221022210022 |
4 | 30220300233200 |
5 | 413233341000 |
6 | 33012053012 |
7 | 5153033534 |
oct | 1450605740 |
9 | 482838708 |
10 | 212012000 |
11 | a9747832 |
12 | 5b004168 |
13 | 34c018b5 |
14 | 2022bbc4 |
15 | 1392d585 |
hex | ca30be0 |
212012000 has 48 divisors (see below), whose sum is σ = 520923312. Its totient is φ = 84803200.
The previous prime is 212011993. The next prime is 212012033. The reversal of 212012000 is 210212.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22502 + ... + 30501.
It is an arithmetic number, because the mean of its divisors is an integer number (10852569).
Almost surely, 2212012000 is an apocalyptic number.
212012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212012000 is an abundant number, since it is smaller than the sum of its proper divisors (308911312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212012000 is an equidigital number, since it uses as much as digits as its factorization.
212012000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53028 (or 53010 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 212012000 is about 14560.6318544217. The cubic root of 212012000 is about 596.2844459998.
Adding to 212012000 its reverse (210212), we get a palindrome (212222212).
The spelling of 212012000 in words is "two hundred twelve million, twelve thousand".
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