Base | Representation |
---|---|
bin | 1000010110101… |
… | …01011000001101 |
3 | 11212212102201001 |
4 | 10023111120031 |
5 | 120420030023 |
6 | 10542020301 |
7 | 1510445623 |
oct | 413253015 |
9 | 155772631 |
10 | 70080013 |
11 | 36616173 |
12 | 1b577691 |
13 | 11699083 |
14 | 9443513 |
15 | 62446ad |
hex | 42d560d |
70080013 has 2 divisors, whose sum is σ = 70080014. Its totient is φ = 70080012.
The previous prime is 70080007. The next prime is 70080019. The reversal of 70080013 is 31008007.
It is a balanced prime because it is at equal distance from previous prime (70080007) and next prime (70080019).
It can be written as a sum of positive squares in only one way, i.e., 57562569 + 12517444 = 7587^2 + 3538^2 .
It is an emirp because it is prime and its reverse (31008007) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70080013 - 217 = 69948941 is a prime.
It is a super-2 number, since 2×700800132 = 9822416444160338, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70080019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35040006 + 35040007.
It is an arithmetic number, because the mean of its divisors is an integer number (35040007).
Almost surely, 270080013 is an apocalyptic number.
It is an amenable number.
70080013 is a deficient number, since it is larger than the sum of its proper divisors (1).
70080013 is an equidigital number, since it uses as much as digits as its factorization.
70080013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 70080013 is about 8371.3805910375. The cubic root of 70080013 is about 412.2854970468.
The spelling of 70080013 in words is "seventy million, eighty thousand, thirteen".
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