Base | Representation |
---|---|
bin | 100101011110001010… |
… | …0111011100100000101 |
3 | 21200201000122111100002 |
4 | 1022330110323210011 |
5 | 2304300031433124 |
6 | 100544510131045 |
7 | 5546045224442 |
oct | 1127424734405 |
9 | 250630574302 |
10 | 80469014789 |
11 | 3114372a909 |
12 | 13718ab0a85 |
13 | 778535b667 |
14 | 3c751869c9 |
15 | 215e7660ae |
hex | 12bc53b905 |
80469014789 has 2 divisors, whose sum is σ = 80469014790. Its totient is φ = 80469014788.
The previous prime is 80469014779. The next prime is 80469014809. The reversal of 80469014789 is 98741096408.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 67982740225 + 12486274564 = 260735^2 + 111742^2 .
It is a cyclic number.
It is not a de Polignac number, because 80469014789 - 220 = 80467966213 is a prime.
It is a super-2 number, since 2×804690147892 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80469014729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40234507394 + 40234507395.
It is an arithmetic number, because the mean of its divisors is an integer number (40234507395).
Almost surely, 280469014789 is an apocalyptic number.
It is an amenable number.
80469014789 is a deficient number, since it is larger than the sum of its proper divisors (1).
80469014789 is an equidigital number, since it uses as much as digits as its factorization.
80469014789 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3483648, while the sum is 56.
The spelling of 80469014789 in words is "eighty billion, four hundred sixty-nine million, fourteen thousand, seven hundred eighty-nine".
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