Base | Representation |
---|---|
bin | 100010111011001100… |
… | …0111001001010001001 |
3 | 21011120221000100201121 |
4 | 1011312120321022021 |
5 | 2212100133243342 |
6 | 54242124515241 |
7 | 5263405161556 |
oct | 1056630711211 |
9 | 234527010647 |
10 | 75000681097 |
11 | 29897a24871 |
12 | 126516abb21 |
13 | 70c3484254 |
14 | 38b6c13a2d |
15 | 1e3e64e067 |
hex | 1176639289 |
75000681097 has 2 divisors, whose sum is σ = 75000681098. Its totient is φ = 75000681096.
The previous prime is 75000681047. The next prime is 75000681113. The reversal of 75000681097 is 79018600057.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70851260041 + 4149421056 = 266179^2 + 64416^2 .
It is a cyclic number.
It is not a de Polignac number, because 75000681097 - 223 = 74992292489 is a prime.
It is not a weakly prime, because it can be changed into another prime (75000681047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37500340548 + 37500340549.
It is an arithmetic number, because the mean of its divisors is an integer number (37500340549).
Almost surely, 275000681097 is an apocalyptic number.
It is an amenable number.
75000681097 is a deficient number, since it is larger than the sum of its proper divisors (1).
75000681097 is an equidigital number, since it uses as much as digits as its factorization.
75000681097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 105840, while the sum is 43.
The spelling of 75000681097 in words is "seventy-five billion, six hundred eighty-one thousand, ninety-seven".
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