Base | Representation |
---|---|
bin | 1000010110111… |
… | …11110011001001 |
3 | 11212221121020221 |
4 | 10023133303021 |
5 | 120422411242 |
6 | 10542550041 |
7 | 1511014231 |
oct | 413376311 |
9 | 155847227 |
10 | 70122697 |
11 | 36645247 |
12 | 1b598321 |
13 | 116b2628 |
14 | 9454cc1 |
15 | 6252167 |
hex | 42dfcc9 |
70122697 has 2 divisors, whose sum is σ = 70122698. Its totient is φ = 70122696.
The previous prime is 70122683. The next prime is 70122721. The reversal of 70122697 is 79622107.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 65674816 + 4447881 = 8104^2 + 2109^2 .
It is an emirp because it is prime and its reverse (79622107) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70122697 is a prime.
It is not a weakly prime, because it can be changed into another prime (70122617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35061348 + 35061349.
It is an arithmetic number, because the mean of its divisors is an integer number (35061349).
Almost surely, 270122697 is an apocalyptic number.
It is an amenable number.
70122697 is a deficient number, since it is larger than the sum of its proper divisors (1).
70122697 is an equidigital number, since it uses as much as digits as its factorization.
70122697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10584, while the sum is 34.
The square root of 70122697 is about 8373.9296032389. The cubic root of 70122697 is about 412.3691843531.
The spelling of 70122697 in words is "seventy million, one hundred twenty-two thousand, six hundred ninety-seven".
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