Base | Representation |
---|---|
bin | 10111001011001111… |
… | …11111010100011110 |
3 | 1012010010120102002202 |
4 | 23211213333110132 |
5 | 200440223300110 |
6 | 5414351451502 |
7 | 620222440514 |
oct | 134547772436 |
9 | 35103512082 |
10 | 12442400030 |
11 | 5305457335 |
12 | 24b2b26b92 |
13 | 1233a001a8 |
14 | 86069c4b4 |
15 | 4cc50c0a5 |
hex | 2e59ff51e |
12442400030 has 8 divisors (see below), whose sum is σ = 22396320072. Its totient is φ = 4976960008.
The previous prime is 12442400023. The next prime is 12442400077. The reversal of 12442400030 is 3000424421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12442399975 and 12442400011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622119992 + ... + 622120011.
It is an arithmetic number, because the mean of its divisors is an integer number (2799540009).
Almost surely, 212442400030 is an apocalyptic number.
12442400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12442400030 is a deficient number, since it is larger than the sum of its proper divisors (9953920042).
12442400030 is a wasteful number, since it uses less digits than its factorization.
12442400030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1244240010.
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 12442400030 its reverse (3000424421), we get a palindrome (15442824451).
The spelling of 12442400030 in words is "twelve billion, four hundred forty-two million, four hundred thousand, thirty".
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