Base | Representation |
---|---|
bin | 100000111110001111… |
… | …1101001101010001001 |
3 | 20202202202000122100212 |
4 | 1001330133221222021 |
5 | 2130003341223432 |
6 | 52310120210505 |
7 | 5054456222033 |
oct | 1017437515211 |
9 | 222682018325 |
10 | 70808148617 |
11 | 28036399098 |
12 | 11881609a35 |
13 | 68a59c14bb |
14 | 35da0a2c53 |
15 | 1c965472b2 |
hex | 107c7e9a89 |
70808148617 has 2 divisors, whose sum is σ = 70808148618. Its totient is φ = 70808148616.
The previous prime is 70808148577. The next prime is 70808148643. The reversal of 70808148617 is 71684180807.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70787391481 + 20757136 = 266059^2 + 4556^2 .
It is a cyclic number.
It is not a de Polignac number, because 70808148617 - 28 = 70808148361 is a prime.
It is a super-3 number, since 3×708081486173 (a number of 34 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (70808147617) 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 as a sum of consecutive naturals, namely, 35404074308 + 35404074309.
It is an arithmetic number, because the mean of its divisors is an integer number (35404074309).
Almost surely, 270808148617 is an apocalyptic number.
It is an amenable number.
70808148617 is a deficient number, since it is larger than the sum of its proper divisors (1).
70808148617 is an equidigital number, since it uses as much as digits as its factorization.
70808148617 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 602112, while the sum is 50.
The spelling of 70808148617 in words is "seventy billion, eight hundred eight million, one hundred forty-eight thousand, six hundred seventeen".
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