Base | Representation |
---|---|
bin | 101001101110110111… |
… | …1111111111111010001 |
3 | 22120022202021010201012 |
4 | 1103131233333333101 |
5 | 2432020120143041 |
6 | 105100513020305 |
7 | 6321600553211 |
oct | 1233557777721 |
9 | 276282233635 |
10 | 89619693521 |
11 | 35009a87216 |
12 | 15451554695 |
13 | 85b30b7767 |
14 | 44a25c2241 |
15 | 24e7ca83eb |
hex | 14ddbfffd1 |
89619693521 has 2 divisors, whose sum is σ = 89619693522. Its totient is φ = 89619693520.
The previous prime is 89619693481. The next prime is 89619693551. The reversal of 89619693521 is 12539691698.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 81065478400 + 8554215121 = 284720^2 + 92489^2 .
It is a cyclic number.
It is not a de Polignac number, because 89619693521 - 210 = 89619692497 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (89619693551) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44809846760 + 44809846761.
It is an arithmetic number, because the mean of its divisors is an integer number (44809846761).
Almost surely, 289619693521 is an apocalyptic number.
It is an amenable number.
89619693521 is a deficient number, since it is larger than the sum of its proper divisors (1).
89619693521 is an equidigital number, since it uses as much as digits as its factorization.
89619693521 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6298560, while the sum is 59.
The spelling of 89619693521 in words is "eighty-nine billion, six hundred nineteen million, six hundred ninety-three thousand, five hundred twenty-one".
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