Base | Representation |
---|---|
bin | 11100000000100111… |
… | …011111111010110101 |
3 | 2212121222122200002102 |
4 | 130000213133322311 |
5 | 443043213003204 |
6 | 21452154151445 |
7 | 2113201230266 |
oct | 340047377265 |
9 | 85558580072 |
10 | 30075125429 |
11 | 11833695968 |
12 | 59b4122585 |
13 | 2ab3b0980b |
14 | 165440296d |
15 | bb051841e |
hex | 7009dfeb5 |
30075125429 has 2 divisors, whose sum is σ = 30075125430. Its totient is φ = 30075125428.
The previous prime is 30075125413. The next prime is 30075125453. The reversal of 30075125429 is 92452157003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26329930225 + 3745195204 = 162265^2 + 61198^2 .
It is a cyclic number.
It is not a de Polignac number, because 30075125429 - 24 = 30075125413 is a prime.
It is a super-4 number, since 4×300751254294 (a number of 43 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30075125392 and 30075125401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30075121429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15037562714 + 15037562715.
It is an arithmetic number, because the mean of its divisors is an integer number (15037562715).
Almost surely, 230075125429 is an apocalyptic number.
It is an amenable number.
30075125429 is a deficient number, since it is larger than the sum of its proper divisors (1).
30075125429 is an equidigital number, since it uses as much as digits as its factorization.
30075125429 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 75600, while the sum is 38.
The spelling of 30075125429 in words is "thirty billion, seventy-five million, one hundred twenty-five thousand, four hundred twenty-nine".
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