Base | Representation |
---|---|
bin | 1011111010111… |
… | …10010000100001 |
3 | 20222011120022101 |
4 | 11331132100201 |
5 | 201100011201 |
6 | 13531210401 |
7 | 2322664345 |
oct | 575362041 |
9 | 228146271 |
10 | 100000801 |
11 | 514a209a |
12 | 295a6a01 |
13 | 17943c94 |
14 | d3d1625 |
15 | 8ba4d01 |
hex | 5f5e421 |
100000801 has 2 divisors, whose sum is σ = 100000802. Its totient is φ = 100000800.
The previous prime is 100000799. The next prime is 100000837. The reversal of 100000801 is 108000001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 88811776 + 11189025 = 9424^2 + 3345^2 .
It is a cyclic number.
It is not a de Polignac number, because 100000801 - 21 = 100000799 is a prime.
Together with 100000799, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (100000841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000400 + 50000401.
It is an arithmetic number, because the mean of its divisors is an integer number (50000401).
Almost surely, 2100000801 is an apocalyptic number.
It is an amenable number.
100000801 is a deficient number, since it is larger than the sum of its proper divisors (1).
100000801 is an equidigital number, since it uses as much as digits as its factorization.
100000801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 100000801 is about 10000.0400499198. The cubic root of 100000801 is about 464.1601226622.
Adding to 100000801 its reverse (108000001), we get a palindrome (208000802).
The spelling of 100000801 in words is "one hundred million, eight hundred one", and thus it is an aban number.
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