Base | Representation |
---|---|
bin | 101010100100000… |
… | …1001110110000001 |
3 | 10200112102010020011 |
4 | 1111020021312001 |
5 | 10411104411313 |
6 | 353415144521 |
7 | 50251335553 |
oct | 12510116601 |
9 | 3615363204 |
10 | 1428200833 |
11 | 673200474 |
12 | 33a375141 |
13 | 199b73867 |
14 | d79734d3 |
15 | 855b593d |
hex | 55209d81 |
1428200833 has 2 divisors, whose sum is σ = 1428200834. Its totient is φ = 1428200832.
The previous prime is 1428200831. The next prime is 1428200933. The reversal of 1428200833 is 3380028241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1370258289 + 57942544 = 37017^2 + 7612^2 .
It is a cyclic number.
It is not a de Polignac number, because 1428200833 - 21 = 1428200831 is a prime.
Together with 1428200831, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1428200795 and 1428200804.
It is not a weakly prime, because it can be changed into another prime (1428200831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714100416 + 714100417.
It is an arithmetic number, because the mean of its divisors is an integer number (714100417).
Almost surely, 21428200833 is an apocalyptic number.
It is an amenable number.
1428200833 is a deficient number, since it is larger than the sum of its proper divisors (1).
1428200833 is an equidigital number, since it uses as much as digits as its factorization.
1428200833 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 1428200833 is about 37791.5444643375. The cubic root of 1428200833 is about 1126.1504827763.
The spelling of 1428200833 in words is "one billion, four hundred twenty-eight million, two hundred thousand, eight hundred thirty-three".
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