| Base | Representation |
|---|---|
| bin | 1100010101110101110… |
| … | …0001010111001001100 |
| 3 | 202021021010000222012000 |
| 4 | 3011131130022321030 |
| 5 | 11433204343010434 |
| 6 | 241222351112300 |
| 7 | 21214036205424 |
| oct | 3053534127114 |
| 9 | 667233028160 |
| 10 | 212021063244 |
| 11 | 81a103a9a11 |
| 12 | 35111512690 |
| 13 | 16cbb94a053 |
| 14 | a394823484 |
| 15 | 57ad9a5b99 |
| hex | 315d70ae4c |
212021063244 has 192 divisors, whose sum is σ = 568415232000. Its totient is φ = 68308966656.
The previous prime is 212021063239. The next prime is 212021063249. The reversal of 212021063244 is 442360120212.
212021063244 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 21 + 0 + 632 + 4 + 4 = 666.
212021063244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (212021063239) and next prime (212021063249).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (212021063249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148995117 + ... + 148996539.
It is an arithmetic number, because the mean of its divisors is an integer number (2960496000).
Almost surely, 2212021063244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212021063244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284207616000).
212021063244 is an abundant number, since it is smaller than the sum of its proper divisors (356394168756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212021063244 is a wasteful number, since it uses less digits than its factorization.
212021063244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1829 (or 1821 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 212021063244 its reverse (442360120212), we get a palindrome (654381183456).
The spelling of 212021063244 in words is "two hundred twelve billion, twenty-one million, sixty-three thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •