Base | Representation |
---|---|
bin | 1000001011111… |
… | …00011011011101 |
3 | 11210012122112222 |
4 | 10011330123131 |
5 | 120034321401 |
6 | 10451435125 |
7 | 1462442426 |
oct | 405743335 |
9 | 153178488 |
10 | 68667101 |
11 | 35840678 |
12 | 1abb5aa5 |
13 | 112c2c29 |
14 | 919664d |
15 | 6065c1b |
hex | 417c6dd |
68667101 has 2 divisors, whose sum is σ = 68667102. Its totient is φ = 68667100.
The previous prime is 68667073. The next prime is 68667103. The reversal of 68667101 is 10176686.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54612100 + 14055001 = 7390^2 + 3749^2 .
It is a cyclic number.
It is not a de Polignac number, because 68667101 - 214 = 68650717 is a prime.
Together with 68667103, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68667103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34333550 + 34333551.
It is an arithmetic number, because the mean of its divisors is an integer number (34333551).
Almost surely, 268667101 is an apocalyptic number.
It is an amenable number.
68667101 is a deficient number, since it is larger than the sum of its proper divisors (1).
68667101 is an equidigital number, since it uses as much as digits as its factorization.
68667101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 68667101 is about 8286.5614702360. The cubic root of 68667101 is about 409.4959123135.
The spelling of 68667101 in words is "sixty-eight million, six hundred sixty-seven thousand, one hundred one".
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