Base | Representation |
---|---|
bin | 1001100010011… |
… | …10011111101001 |
3 | 12120120002121011 |
4 | 10301032133221 |
5 | 130440411124 |
6 | 11534543521 |
7 | 1661046616 |
oct | 461163751 |
9 | 176502534 |
10 | 80013289 |
11 | 41190194 |
12 | 22967ba1 |
13 | 13766455 |
14 | a8ab50d |
15 | 7057994 |
hex | 4c4e7e9 |
80013289 has 2 divisors, whose sum is σ = 80013290. Its totient is φ = 80013288.
The previous prime is 80013281. The next prime is 80013341. The reversal of 80013289 is 98231008.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 68757264 + 11256025 = 8292^2 + 3355^2 .
It is a cyclic number.
It is not a de Polignac number, because 80013289 - 23 = 80013281 is a prime.
It is a super-3 number, since 3×800132893 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80013289.
It is not a weakly prime, because it can be changed into another prime (80013281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006644 + 40006645.
It is an arithmetic number, because the mean of its divisors is an integer number (40006645).
Almost surely, 280013289 is an apocalyptic number.
It is an amenable number.
80013289 is a deficient number, since it is larger than the sum of its proper divisors (1).
80013289 is an equidigital number, since it uses as much as digits as its factorization.
80013289 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 80013289 is about 8945.0147568352. The cubic root of 80013289 is about 430.9107952543.
The spelling of 80013289 in words is "eighty million, thirteen thousand, two hundred eighty-nine".
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