Base | Representation |
---|---|
bin | 10011011011110… |
… | …10001111110001 |
3 | 102100202210010012 |
4 | 21231322033301 |
5 | 313213430001 |
6 | 24102144305 |
7 | 4016506061 |
oct | 1155721761 |
9 | 370683105 |
10 | 163030001 |
11 | 84031942 |
12 | 46722095 |
13 | 27a11974 |
14 | 1791b3a1 |
15 | e4a52bb |
hex | 9b7a3f1 |
163030001 has 4 divisors (see below), whose sum is σ = 163323252. Its totient is φ = 162736752.
The previous prime is 163029991. The next prime is 163030031. The reversal of 163030001 is 100030361.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100030361 = 433 ⋅231017.
It can be written as a sum of positive squares in 2 ways, for example, as 88811776 + 74218225 = 9424^2 + 8615^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-163030001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (163030031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145790 + ... + 146903.
It is an arithmetic number, because the mean of its divisors is an integer number (40830813).
Almost surely, 2163030001 is an apocalyptic number.
It is an amenable number.
163030001 is a deficient number, since it is larger than the sum of its proper divisors (293251).
163030001 is an equidigital number, since it uses as much as digits as its factorization.
163030001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293250.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 163030001 is about 12768.3202105837. The cubic root of 163030001 is about 546.2890688002.
Adding to 163030001 its reverse (100030361), we get a palindrome (263060362).
The spelling of 163030001 in words is "one hundred sixty-three million, thirty thousand, one".
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