Base | Representation |
---|---|
bin | 111100000000010… |
… | …1000110110001111 |
3 | 12012022122000011011 |
4 | 1320000220312033 |
5 | 13110414330411 |
6 | 531442510051 |
7 | 100615620505 |
oct | 17000506617 |
9 | 5168560134 |
10 | 2013433231 |
11 | 943592207 |
12 | 482365327 |
13 | 26119b814 |
14 | 151594675 |
15 | bbb67c21 |
hex | 78028d8f |
2013433231 has 4 divisors (see below), whose sum is σ = 2032250472. Its totient is φ = 1994615992.
The previous prime is 2013433193. The next prime is 2013433259. The reversal of 2013433231 is 1323343102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2013433231 - 219 = 2012908943 is a prime.
It is a super-2 number, since 2×20134332312 = 8107826751390198722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013833231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9408460 + ... + 9408673.
It is an arithmetic number, because the mean of its divisors is an integer number (508062618).
Almost surely, 22013433231 is an apocalyptic number.
2013433231 is a deficient number, since it is larger than the sum of its proper divisors (18817241).
2013433231 is a wasteful number, since it uses less digits than its factorization.
2013433231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18817240.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 2013433231 is about 44871.2962928418. The cubic root of 2013433231 is about 1262.7355596928.
Adding to 2013433231 its reverse (1323343102), we get a palindrome (3336776333).
The spelling of 2013433231 in words is "two billion, thirteen million, four hundred thirty-three thousand, two hundred thirty-one".
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