Base | Representation |
---|---|
bin | 111100001101001… |
… | …110101111011101 |
3 | 2121101200110101001 |
4 | 330031032233131 |
5 | 4032041214323 |
6 | 244121550301 |
7 | 34013501332 |
oct | 7415165735 |
9 | 2541613331 |
10 | 1010101213 |
11 | 4791a2aa0 |
12 | 242345391 |
13 | 131365b34 |
14 | 9821a989 |
15 | 5da293ad |
hex | 3c34ebdd |
1010101213 has 4 divisors (see below), whose sum is σ = 1101928608. Its totient is φ = 918273820.
The previous prime is 1010101193. The next prime is 1010101273. The reversal of 1010101213 is 3121010101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1010101213 - 229 = 473230301 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1010101213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010101273) 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 3 ways as a sum of consecutive naturals, for example, 45913681 + ... + 45913702.
It is an arithmetic number, because the mean of its divisors is an integer number (275482152).
Almost surely, 21010101213 is an apocalyptic number.
It is an amenable number.
1010101213 is a deficient number, since it is larger than the sum of its proper divisors (91827395).
1010101213 is an equidigital number, since it uses as much as digits as its factorization.
1010101213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91827394.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1010101213 is about 31782.0895002201. The cubic root of 1010101213 is about 1003.3557970293.
Adding to 1010101213 its reverse (3121010101), we get a palindrome (4131111314).
The spelling of 1010101213 in words is "one billion, ten million, one hundred one thousand, two hundred thirteen".
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