Base | Representation |
---|---|
bin | 11011111100111000… |
… | …001111100101111101 |
3 | 2212110121122012101211 |
4 | 123330320033211331 |
5 | 442431133444031 |
6 | 21442034004421 |
7 | 2111510146234 |
oct | 337470174575 |
9 | 85417565354 |
10 | 30012406141 |
11 | 11801247a43 |
12 | 5997116711 |
13 | 2aa3b19c03 |
14 | 1649d57b1b |
15 | ba9c79bb1 |
hex | 6fce0f97d |
30012406141 has 2 divisors, whose sum is σ = 30012406142. Its totient is φ = 30012406140.
The previous prime is 30012406097. The next prime is 30012406157. The reversal of 30012406141 is 14160421003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18158640516 + 11853765625 = 134754^2 + 108875^2 .
It is an emirp because it is prime and its reverse (14160421003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30012406141 - 29 = 30012405629 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30012406741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006203070 + 15006203071.
It is an arithmetic number, because the mean of its divisors is an integer number (15006203071).
Almost surely, 230012406141 is an apocalyptic number.
It is an amenable number.
30012406141 is a deficient number, since it is larger than the sum of its proper divisors (1).
30012406141 is an equidigital number, since it uses as much as digits as its factorization.
30012406141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 30012406141 its reverse (14160421003), we get a palindrome (44172827144).
The spelling of 30012406141 in words is "thirty billion, twelve million, four hundred six thousand, one hundred forty-one".
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