| Base | Representation |
|---|---|
| bin | 1100010010000111010… |
| … | …1100111011111001000 |
| 3 | 202011200102102121212100 |
| 4 | 3010201311213133020 |
| 5 | 11424132400213000 |
| 6 | 240535230313400 |
| 7 | 21150204522543 |
| oct | 3044165473710 |
| 9 | 664612377770 |
| 10 | 211021101000 |
| 11 | 81547a01536 |
| 12 | 34a92658860 |
| 13 | 16b8c724108 |
| 14 | a2dbac585a |
| 15 | 5750cd0a00 |
| hex | 3121d677c8 |
211021101000 has 384 divisors, whose sum is σ = 737618076000. Its totient is φ = 54371174400.
The previous prime is 211021100999. The next prime is 211021101001. The reversal of 211021101000 is 101120112.
It is a happy number.
211021101000 is digitally balanced in base 2 and base 3, because in such bases 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 (211021100999) and next prime (211021101001).
It can be written as a sum of positive squares in 16 ways, for example, as 37097071236 + 173924029764 = 192606^2 + 417042^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (211021101001) 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 95 ways as a sum of consecutive naturals, for example, 49614874 + ... + 49619126.
Almost surely, 2211021101000 is an apocalyptic number.
211021101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211021101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368809038000).
211021101000 is an abundant number, since it is smaller than the sum of its proper divisors (526596975000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211021101000 is a wasteful number, since it uses less digits than its factorization.
211021101000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4466 (or 4449 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 211021101000 its reverse (101120112), we get a palindrome (211122221112).
The spelling of 211021101000 in words is "two hundred eleven billion, twenty-one million, one hundred one thousand".
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