Base | Representation |
---|---|
bin | 11001010101011… |
… | …11001101011010 |
3 | 112210220122100212 |
4 | 30222233031122 |
5 | 413401430020 |
6 | 33031131122 |
7 | 5160322010 |
oct | 1452571532 |
9 | 483818325 |
10 | 212530010 |
11 | a9a70a40 |
12 | 5b213aa2 |
13 | 35053604 |
14 | 203248b0 |
15 | 139d1cc5 |
hex | caaf35a |
212530010 has 128 divisors (see below), whose sum is σ = 511488000. Its totient is φ = 61585920.
The previous prime is 212529973. The next prime is 212530013. The reversal of 212530010 is 10035212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (212530013) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067891 + ... + 1068089.
It is an arithmetic number, because the mean of its divisors is an integer number (3996000).
Almost surely, 2212530010 is an apocalyptic number.
212530010 is an abundant number, since it is smaller than the sum of its proper divisors (298957990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212530010 is a wasteful number, since it uses less digits than its factorization.
212530010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 212530010 is about 14578.4090352823. The cubic root of 212530010 is about 596.7696859595.
Adding to 212530010 its reverse (10035212), we get a palindrome (222565222).
The spelling of 212530010 in words is "two hundred twelve million, five hundred thirty thousand, ten".
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