Base | Representation |
---|---|
bin | 11001010010100… |
… | …00010101110110 |
3 | 112210011220100000 |
4 | 30221100111312 |
5 | 413302011210 |
6 | 33014532130 |
7 | 5154113064 |
oct | 1451202566 |
9 | 483156300 |
10 | 212141430 |
11 | a9825aa6 |
12 | 5b067046 |
13 | 34c48797 |
14 | 20263034 |
15 | 13956ac0 |
hex | ca50576 |
212141430 has 96 divisors (see below), whose sum is σ = 580978944. Its totient is φ = 55683936.
The previous prime is 212141429. The next prime is 212141437. The reversal of 212141430 is 34141212.
212141430 is a `hidden beast` number, since 21 + 214 + 1 + 430 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212141437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162159 + ... + 163461.
It is an arithmetic number, because the mean of its divisors is an integer number (6051864).
Almost surely, 2212141430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212141430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290489472).
212141430 is an abundant number, since it is smaller than the sum of its proper divisors (368837514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212141430 is a wasteful number, since it uses less digits than its factorization.
212141430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1392 (or 1380 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 212141430 is about 14565.0756949629. The cubic root of 212141430 is about 596.4057620826.
Adding to 212141430 its reverse (34141212), we get a palindrome (246282642).
The spelling of 212141430 in words is "two hundred twelve million, one hundred forty-one thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •