Base | Representation |
---|---|
bin | 11011111100101111… |
… | …000100001010000001 |
3 | 2212110110002221210112 |
4 | 123330233010022001 |
5 | 442430030000001 |
6 | 21441510241105 |
7 | 2111450535242 |
oct | 337457041201 |
9 | 85413087715 |
10 | 30010000001 |
11 | 117aa9541a3 |
12 | 5996356195 |
13 | 2aa3486967 |
14 | 16498cccc9 |
15 | ba9951cbb |
hex | 6fcbc4281 |
30010000001 has 4 divisors (see below), whose sum is σ = 30107752752. Its totient is φ = 29912247252.
The previous prime is 30009999959. The next prime is 30010000063. The reversal of 30010000001 is 10000001003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10000001003 = 983 ⋅10172941.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30010000001 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30010000001.
It is not an unprimeable number, because it can be changed into a prime (30010000901) 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, 48875915 + ... + 48876528.
It is an arithmetic number, because the mean of its divisors is an integer number (7526938188).
Almost surely, 230010000001 is an apocalyptic number.
It is an amenable number.
30010000001 is a deficient number, since it is larger than the sum of its proper divisors (97752751).
30010000001 is an equidigital number, since it uses as much as digits as its factorization.
30010000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97752750.
The product of its (nonzero) digits is 3, while the sum is 5.
Adding to 30010000001 its reverse (10000001003), we get a palindrome (40010001004).
The spelling of 30010000001 in words is "thirty billion, ten million, one", and thus it is an aban number and an uban number.
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