Base | Representation |
---|---|
bin | 111011111110011… |
… | …0011111110010111 |
3 | 12012020202001022000 |
4 | 1313330303332113 |
5 | 13110140231411 |
6 | 531405210343 |
7 | 100604242350 |
oct | 16774637627 |
9 | 5166661260 |
10 | 2012430231 |
11 | 942a67689 |
12 | 481b609b3 |
13 | 260c0a126 |
14 | 1513b2d27 |
15 | bba1a956 |
hex | 77f33f97 |
2012430231 has 16 divisors (see below), whose sum is σ = 3407289600. Its totient is φ = 1149960024.
The previous prime is 2012430209. The next prime is 2012430271. The reversal of 2012430231 is 1320342102.
2012430231 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 430 + 231 = 666.
It is not a de Polignac number, because 2012430231 - 29 = 2012429719 is a prime.
It is a super-2 number, since 2×20124302312 = 8099750869285426722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012430271) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 5323701 + ... + 5324078.
It is an arithmetic number, because the mean of its divisors is an integer number (212955600).
Almost surely, 22012430231 is an apocalyptic number.
2012430231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2012430231 is a deficient number, since it is larger than the sum of its proper divisors (1394859369).
2012430231 is a wasteful number, since it uses less digits than its factorization.
2012430231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10647795 (or 10647789 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2012430231 is about 44860.1184907040. The cubic root of 2012430231 is about 1262.5258459042.
Adding to 2012430231 its reverse (1320342102), we get a palindrome (3332772333).
The spelling of 2012430231 in words is "two billion, twelve million, four hundred thirty thousand, two hundred thirty-one".
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