Base | Representation |
---|---|
bin | 111000011100010111… |
… | …1010001011000001101 |
3 | 102120212101212210122122 |
4 | 1300320233101120031 |
5 | 3441220004002313 |
6 | 131403352222325 |
7 | 11520502334423 |
oct | 1607057213015 |
9 | 376771783578 |
10 | 121211000333 |
11 | 474504a4645 |
12 | 1b5a939a9a5 |
13 | b579060807 |
14 | 5c1c0db113 |
15 | 3246465708 |
hex | 1c38bd160d |
121211000333 has 2 divisors, whose sum is σ = 121211000334. Its totient is φ = 121211000332.
The previous prime is 121211000329. The next prime is 121211000357. The reversal of 121211000333 is 333000112121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 83490368809 + 37720631524 = 288947^2 + 194218^2 .
It is an emirp because it is prime and its reverse (333000112121) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 121211000333 - 22 = 121211000329 is a prime.
It is a super-2 number, since 2×1212110003332 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121211000233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605500166 + 60605500167.
It is an arithmetic number, because the mean of its divisors is an integer number (60605500167).
Almost surely, 2121211000333 is an apocalyptic number.
It is an amenable number.
121211000333 is a deficient number, since it is larger than the sum of its proper divisors (1).
121211000333 is an equidigital number, since it uses as much as digits as its factorization.
121211000333 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 121211000333 its reverse (333000112121), we get a palindrome (454211112454).
The spelling of 121211000333 in words is "one hundred twenty-one billion, two hundred eleven million, three hundred thirty-three", and thus it is an aban number.
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