Base | Representation |
---|---|
bin | 101111010110… |
… | …010001100101 |
3 | 212100121001220 |
4 | 233112101211 |
5 | 11134141010 |
6 | 1122010553 |
7 | 210333414 |
oct | 57262145 |
9 | 25317056 |
10 | 12412005 |
11 | 7008361 |
12 | 41a6a59 |
13 | 27576a8 |
14 | 191147b |
15 | 1152970 |
hex | bd6465 |
12412005 has 16 divisors (see below), whose sum is σ = 20005440. Its totient is φ = 6571008.
The previous prime is 12411979. The next prime is 12412013. The reversal of 12412005 is 50021421.
12412005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12412005 - 27 = 12411877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892 + ... + 5061.
It is an arithmetic number, because the mean of its divisors is an integer number (1250340).
Almost surely, 212412005 is an apocalyptic number.
12412005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12412005 is a deficient number, since it is larger than the sum of its proper divisors (7593435).
12412005 is a wasteful number, since it uses less digits than its factorization.
12412005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6100.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 12412005 is about 3523.0675554125. The cubic root of 12412005 is about 231.5335766334.
Adding to 12412005 its reverse (50021421), we get a palindrome (62433426).
The spelling of 12412005 in words is "twelve million, four hundred twelve thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •