Base | Representation |
---|---|
bin | 10111000110111100… |
… | …00000111001110001 |
3 | 1012000121111211000202 |
4 | 23203132000321301 |
5 | 200401443340031 |
6 | 5411020324545 |
7 | 616303135430 |
oct | 134336007161 |
9 | 35017454022 |
10 | 12406230641 |
11 | 5296aa2782 |
12 | 24a29a3755 |
13 | 122937809c |
14 | 859965117 |
15 | 4c92652cb |
hex | 2e3780e71 |
12406230641 has 16 divisors (see below), whose sum is σ = 15045497856. Its totient is φ = 9986443776.
The previous prime is 12406230637. The next prime is 12406230643. The reversal of 12406230641 is 14603260421.
12406230641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12406230641 - 22 = 12406230637 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12406230643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59681 + ... + 168446.
It is an arithmetic number, because the mean of its divisors is an integer number (940343616).
Almost surely, 212406230641 is an apocalyptic number.
It is an amenable number.
12406230641 is a deficient number, since it is larger than the sum of its proper divisors (2639267215).
12406230641 is a wasteful number, since it uses less digits than its factorization.
12406230641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228608.
The product of its (nonzero) digits is 6912, while the sum is 29.
The spelling of 12406230641 in words is "twelve billion, four hundred six million, two hundred thirty thousand, six hundred forty-one".
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