| Base | Representation |
|---|---|
| bin | 100100000111110… |
| … | …0001110000110000 |
| 3 | 10010110122111121000 |
| 4 | 1020033201300300 |
| 5 | 4440234430000 |
| 6 | 320134002000 |
| 7 | 42015041106 |
| oct | 11017416060 |
| 9 | 3113574530 |
| 10 | 1212030000 |
| 11 | 572183095 |
| 12 | 299aa6300 |
| 13 | 16414701c |
| 14 | b6d81c76 |
| 15 | 71615000 |
| hex | 483e1c30 |
1212030000 has 300 divisors, whose sum is σ = 4413181080. Its totient is φ = 318384000.
The previous prime is 1212029999. The next prime is 1212030013. The reversal of 1212030000 is 302121.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a tau number, because it is divible by the number of its divisors (300).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18089967 + ... + 18090033.
Almost surely, 21212030000 is an apocalyptic number.
1212030000 is a gapful number since it is divisible by the number (10) 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 1212030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206590540).
1212030000 is an abundant number, since it is smaller than the sum of its proper divisors (3201151080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212030000 is an frugal number, since it uses more digits than its factorization.
1212030000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171 (or 77 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 1212030000 is about 34814.2212321344. The cubic root of 1212030000 is about 1066.1978191244.
Multiplying 1212030000 by its product of nonzero digits (12), we get a square (14544360000 = 1206002).
1212030000 divided by its product of nonzero digits (12) gives a square (101002500 = 100502).
Adding to 1212030000 its reverse (302121), we get a palindrome (1212332121).
The spelling of 1212030000 in words is "one billion, two hundred twelve million, thirty thousand".
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