Base | Representation |
---|---|
bin | 111100000001110… |
… | …0110011101110001 |
3 | 12012101002110112212 |
4 | 1320003212131301 |
5 | 13111114204110 |
6 | 531511301505 |
7 | 100625334041 |
oct | 17003463561 |
9 | 5171073485 |
10 | 2014209905 |
11 | 943a72794 |
12 | 48267a895 |
13 | 2613b11a6 |
14 | 151717721 |
15 | bbc6ce05 |
hex | 780e6771 |
2014209905 has 4 divisors (see below), whose sum is σ = 2417051892. Its totient is φ = 1611367920.
The previous prime is 2014209859. The next prime is 2014209937. The reversal of 2014209905 is 5099024102.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 737719921 + 1276489984 = 27161^2 + 35728^2 .
It is a de Polignac number, because none of the positive numbers 2k-2014209905 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201420986 + ... + 201420995.
It is an arithmetic number, because the mean of its divisors is an integer number (604262973).
Almost surely, 22014209905 is an apocalyptic number.
It is an amenable number.
2014209905 is a deficient number, since it is larger than the sum of its proper divisors (402841987).
2014209905 is an equidigital number, since it uses as much as digits as its factorization.
2014209905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402841986.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 2014209905 is about 44879.9499219863. The cubic root of 2014209905 is about 1262.8979039224.
The spelling of 2014209905 in words is "two billion, fourteen million, two hundred nine thousand, nine hundred five".
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