Base | Representation |
---|---|
bin | 111011111111111… |
… | …0111110001011100 |
3 | 12012022020210102022 |
4 | 1313333313301130 |
5 | 13110341412340 |
6 | 531434315312 |
7 | 100614122456 |
oct | 16777676134 |
9 | 5168223368 |
10 | 2013232220 |
11 | 94346518a |
12 | 482288b38 |
13 | 26112b18c |
14 | 1515412d6 |
15 | bbb283b5 |
hex | 77ff7c5c |
2013232220 has 24 divisors (see below), whose sum is σ = 4299447600. Its totient is φ = 791643392.
The previous prime is 2013232217. The next prime is 2013232231. The reversal of 2013232220 is 222323102.
It is a super-2 number, since 2×20132322202 = 8106207943292256800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851885 + ... + 854244.
It is an arithmetic number, because the mean of its divisors is an integer number (179143650).
Almost surely, 22013232220 is an apocalyptic number.
2013232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2013232220 is an abundant number, since it is smaller than the sum of its proper divisors (2286215380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013232220 is a wasteful number, since it uses less digits than its factorization.
2013232220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1706197 (or 1706195 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 2013232220 is about 44869.0563751902. The cubic root of 2013232220 is about 1262.6935365817.
Adding to 2013232220 its reverse (222323102), we get a palindrome (2235555322).
The spelling of 2013232220 in words is "two billion, thirteen million, two hundred thirty-two thousand, two hundred twenty".
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