Base | Representation |
---|---|
bin | 1001101000110… |
… | …10011011100101 |
3 | 12122010112110002 |
4 | 10310122123211 |
5 | 131144123423 |
6 | 12004511045 |
7 | 2001126146 |
oct | 464323345 |
9 | 178115402 |
10 | 80848613 |
11 | 4170083a |
12 | 230ab485 |
13 | 13999721 |
14 | aa47acd |
15 | 7170228 |
hex | 4d1a6e5 |
80848613 has 2 divisors, whose sum is σ = 80848614. Its totient is φ = 80848612.
The previous prime is 80848577. The next prime is 80848633. The reversal of 80848613 is 31684808.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79959364 + 889249 = 8942^2 + 943^2 .
It is a cyclic number.
It is not a de Polignac number, because 80848613 - 218 = 80586469 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80848633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40424306 + 40424307.
It is an arithmetic number, because the mean of its divisors is an integer number (40424307).
Almost surely, 280848613 is an apocalyptic number.
It is an amenable number.
80848613 is a deficient number, since it is larger than the sum of its proper divisors (1).
80848613 is an equidigital number, since it uses as much as digits as its factorization.
80848613 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 80848613 is about 8991.5856777323. The cubic root of 80848613 is about 432.4051501048.
The spelling of 80848613 in words is "eighty million, eight hundred forty-eight thousand, six hundred thirteen".
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