Base | Representation |
---|---|
bin | 1001100011101… |
… | …11101011110001 |
3 | 12120212200000202 |
4 | 10301313223301 |
5 | 131011311001 |
6 | 11542324545 |
7 | 1662351524 |
oct | 461675361 |
9 | 176780022 |
10 | 80182001 |
11 | 41295a19 |
12 | 22a29755 |
13 | 137c5193 |
14 | a912bbb |
15 | 708c96b |
hex | 4c77af1 |
80182001 has 2 divisors, whose sum is σ = 80182002. Its totient is φ = 80182000.
The previous prime is 80181977. The next prime is 80182009. The reversal of 80182001 is 10028108.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 50751376 + 29430625 = 7124^2 + 5425^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80182001 is a prime.
It is not a weakly prime, because it can be changed into another prime (80182009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40091000 + 40091001.
It is an arithmetic number, because the mean of its divisors is an integer number (40091001).
Almost surely, 280182001 is an apocalyptic number.
It is an amenable number.
80182001 is a deficient number, since it is larger than the sum of its proper divisors (1).
80182001 is an equidigital number, since it uses as much as digits as its factorization.
80182001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 80182001 is about 8954.4402951832. The cubic root of 80182001 is about 431.2134482498.
The spelling of 80182001 in words is "eighty million, one hundred eighty-two thousand, one".
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