Base | Representation |
---|---|
bin | 111011111001110… |
… | …0111010100010011 |
3 | 12012002012112211112 |
4 | 1313303213110103 |
5 | 13104031102331 |
6 | 531241403535 |
7 | 100544610653 |
oct | 16763472423 |
9 | 5162175745 |
10 | 2010019091 |
11 | 941670103 |
12 | 4811995ab |
13 | 260574812 |
14 | 150d46363 |
15 | bb6e132b |
hex | 77ce7513 |
2010019091 has 8 divisors (see below), whose sum is σ = 2025547440. Its totient is φ = 1994506272.
The previous prime is 2010019073. The next prime is 2010019129. The reversal of 2010019091 is 1909100102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2010019091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2010019001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489041 + ... + 493133.
It is an arithmetic number, because the mean of its divisors is an integer number (253193430).
Almost surely, 22010019091 is an apocalyptic number.
2010019091 is a deficient number, since it is larger than the sum of its proper divisors (15528349).
2010019091 is a wasteful number, since it uses less digits than its factorization.
2010019091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7765.
The product of its (nonzero) digits is 162, while the sum is 23.
The square root of 2010019091 is about 44833.2364546661. The cubic root of 2010019091 is about 1262.0214237587.
Adding to 2010019091 its reverse (1909100102), we get a palindrome (3919119193).
The spelling of 2010019091 in words is "two billion, ten million, nineteen thousand, ninety-one".
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