Base | Representation |
---|---|
bin | 10111000111101011… |
… | …01001001001100101 |
3 | 1012001001011111211020 |
4 | 23203311221021211 |
5 | 200410040043210 |
6 | 5411401201353 |
7 | 616406604264 |
oct | 134365511145 |
9 | 35031144736 |
10 | 12412424805 |
11 | 529a543520 |
12 | 24a4a90259 |
13 | 122a736581 |
14 | 85a6d85db |
15 | 4c9a8a770 |
hex | 2e3d69265 |
12412424805 has 16 divisors (see below), whose sum is σ = 21665323584. Its totient is φ = 6018145280.
The previous prime is 12412424741. The next prime is 12412424809. The reversal of 12412424805 is 50842421421.
It is not a de Polignac number, because 12412424805 - 26 = 12412424741 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12412424809) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37613244 + ... + 37613573.
It is an arithmetic number, because the mean of its divisors is an integer number (1354082724).
Almost surely, 212412424805 is an apocalyptic number.
12412424805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12412424805 is a deficient number, since it is larger than the sum of its proper divisors (9252898779).
12412424805 is a wasteful number, since it uses less digits than its factorization.
12412424805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75226836.
The product of its (nonzero) digits is 20480, while the sum is 33.
The spelling of 12412424805 in words is "twelve billion, four hundred twelve million, four hundred twenty-four thousand, eight hundred five".
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