Base | Representation |
---|---|
bin | 1000010110111… |
… | …00101110011101 |
3 | 11212220221222201 |
4 | 10023130232131 |
5 | 120422010414 |
6 | 10542411501 |
7 | 1510632436 |
oct | 413345635 |
9 | 155827881 |
10 | 70110109 |
11 | 36636843 |
12 | 1b590b91 |
13 | 116a9994 |
14 | 945048d |
15 | 624d574 |
hex | 42dcb9d |
70110109 has 2 divisors, whose sum is σ = 70110110. Its totient is φ = 70110108.
The previous prime is 70110101. The next prime is 70110119. The reversal of 70110109 is 90101107.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49042009 + 21068100 = 7003^2 + 4590^2 .
It is an emirp because it is prime and its reverse (90101107) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70110109 - 23 = 70110101 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70110101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35055054 + 35055055.
It is an arithmetic number, because the mean of its divisors is an integer number (35055055).
Almost surely, 270110109 is an apocalyptic number.
It is an amenable number.
70110109 is a deficient number, since it is larger than the sum of its proper divisors (1).
70110109 is an equidigital number, since it uses as much as digits as its factorization.
70110109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 63, while the sum is 19.
The square root of 70110109 is about 8373.1779510530. The cubic root of 70110109 is about 412.3445075406.
The spelling of 70110109 in words is "seventy million, one hundred ten thousand, one hundred nine".
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