Base | Representation |
---|---|
bin | 111011111111100… |
… | …0100110010110100 |
3 | 12012021212011222200 |
4 | 1313333010302310 |
5 | 13110313222122 |
6 | 531430024500 |
7 | 100612262631 |
oct | 16777046264 |
9 | 5167764880 |
10 | 2013023412 |
11 | 943332314 |
12 | 4821a8130 |
13 | 26108711a |
14 | 1514c9188 |
15 | bbad65ac |
hex | 77fc4cb4 |
2013023412 has 36 divisors (see below), whose sum is σ = 5212588836. Its totient is φ = 654641280.
The previous prime is 2013023407. The next prime is 2013023413. The reversal of 2013023412 is 2143203102.
2013023412 is a `hidden beast` number, since 20 + 1 + 302 + 341 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 599564196 + 1413459216 = 24486^2 + 37596^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013023413) 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 11 ways as a sum of consecutive naturals, for example, 680443 + ... + 683394.
Almost surely, 22013023412 is an apocalyptic number.
It is an amenable number.
2013023412 is an abundant number, since it is smaller than the sum of its proper divisors (3199565424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013023412 is a wasteful number, since it uses less digits than its factorization.
2013023412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1363888 (or 1363883 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2013023412 is about 44866.7294551319. The cubic root of 2013023412 is about 1262.6498804773.
Adding to 2013023412 its reverse (2143203102), we get a palindrome (4156226514).
The spelling of 2013023412 in words is "two billion, thirteen million, twenty-three thousand, four hundred twelve".
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