Base | Representation |
---|---|
bin | 11011111101000000… |
… | …000000110101100011 |
3 | 2212110202110200020112 |
4 | 123331000000311203 |
5 | 442432144132401 |
6 | 21442145401535 |
7 | 2111533361201 |
oct | 337500006543 |
9 | 85422420215 |
10 | 30014442851 |
11 | 11802409178 |
12 | 59979392ab |
13 | 2aa4380c73 |
14 | 164a328071 |
15 | baa02d3bb |
hex | 6fd000d63 |
30014442851 has 2 divisors, whose sum is σ = 30014442852. Its totient is φ = 30014442850.
The previous prime is 30014442827. The next prime is 30014442869. The reversal of 30014442851 is 15824441003.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30014442851 is a prime.
It is not a weakly prime, because it can be changed into another prime (30014442251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007221425 + 15007221426.
It is an arithmetic number, because the mean of its divisors is an integer number (15007221426).
Almost surely, 230014442851 is an apocalyptic number.
30014442851 is a deficient number, since it is larger than the sum of its proper divisors (1).
30014442851 is an equidigital number, since it uses as much as digits as its factorization.
30014442851 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15360, while the sum is 32.
Adding to 30014442851 its reverse (15824441003), we get a palindrome (45838883854).
The spelling of 30014442851 in words is "thirty billion, fourteen million, four hundred forty-two thousand, eight hundred fifty-one".
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