Base | Representation |
---|---|
bin | 100001000110110110… |
… | …0101110000011111101 |
3 | 20210111212011000001122 |
4 | 1002031230232003331 |
5 | 2131101234142242 |
6 | 52354510520325 |
7 | 5064562501652 |
oct | 1021554560375 |
9 | 223455130048 |
10 | 71096787197 |
11 | 28174312577 |
12 | 119422060a5 |
13 | 6920741b67 |
14 | 3626559c29 |
15 | 1cb1a5ead2 |
hex | 108db2e0fd |
71096787197 has 2 divisors, whose sum is σ = 71096787198. Its totient is φ = 71096787196.
The previous prime is 71096787131. The next prime is 71096787199. The reversal of 71096787197 is 79178769017.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 60156882361 + 10939904836 = 245269^2 + 104594^2 .
It is a cyclic number.
It is not a de Polignac number, because 71096787197 - 212 = 71096783101 is a prime.
Together with 71096787199, 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 (71096787199) 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, 35548393598 + 35548393599.
It is an arithmetic number, because the mean of its divisors is an integer number (35548393599).
Almost surely, 271096787197 is an apocalyptic number.
It is an amenable number.
71096787197 is a deficient number, since it is larger than the sum of its proper divisors (1).
71096787197 is an equidigital number, since it uses as much as digits as its factorization.
71096787197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9335088, while the sum is 62.
The spelling of 71096787197 in words is "seventy-one billion, ninety-six million, seven hundred eighty-seven thousand, one hundred ninety-seven".
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