Base | Representation |
---|---|
bin | 110110000000111… |
… | …0011011111111101 |
3 | 11200022101002102200 |
4 | 1230001303133331 |
5 | 12202434144123 |
6 | 455502142113 |
7 | 62625152130 |
oct | 15401633775 |
9 | 4608332380 |
10 | 1812412413 |
11 | 8500722a9 |
12 | 426b81939 |
13 | 22b6479a6 |
14 | 1329c8217 |
15 | a91ab143 |
hex | 6c0737fd |
1812412413 has 36 divisors (see below), whose sum is σ = 3157715808. Its totient is φ = 981143280.
The previous prime is 1812412409. The next prime is 1812412417. The reversal of 1812412413 is 3142142181.
1812412413 is a `hidden beast` number, since 1 + 8 + 1 + 241 + 2 + 413 = 666.
It is an interprime number because it is at equal distance from previous prime (1812412409) and next prime (1812412417).
It is not a de Polignac number, because 1812412413 - 22 = 1812412409 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1812412417) 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 35 ways as a sum of consecutive naturals, for example, 17103 + ... + 62588.
It is an arithmetic number, because the mean of its divisors is an integer number (87714328).
Almost surely, 21812412413 is an apocalyptic number.
It is an amenable number.
1812412413 is a deficient number, since it is larger than the sum of its proper divisors (1345303395).
1812412413 is a wasteful number, since it uses less digits than its factorization.
1812412413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79742 (or 79720 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 1812412413 is about 42572.4372452412. The cubic root of 1812412413 is about 1219.2301003332.
Adding to 1812412413 its reverse (3142142181), we get a palindrome (4954554594).
The spelling of 1812412413 in words is "one billion, eight hundred twelve million, four hundred twelve thousand, four hundred thirteen".
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