Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010000000011000011 |
3 | 2212111010221112011212 |
4 | 123331111100003003 |
5 | 442440110311204 |
6 | 21442505000335 |
7 | 2111631606365 |
oct | 337525200303 |
9 | 85433845155 |
10 | 30020010179 |
11 | 11805570a75 |
12 | 59997830ab |
13 | 2aa5580043 |
14 | 164ad76d35 |
15 | baa77cc6e |
hex | 6fd5500c3 |
30020010179 has 2 divisors, whose sum is σ = 30020010180. Its totient is φ = 30020010178.
The previous prime is 30020010169. The next prime is 30020010193. The reversal of 30020010179 is 97101002003.
It is a weak prime.
It is an emirp because it is prime and its reverse (97101002003) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30020010179 is a prime.
It is a super-2 number, since 2×300200101792 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30020010149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010005089 + 15010005090.
It is an arithmetic number, because the mean of its divisors is an integer number (15010005090).
Almost surely, 230020010179 is an apocalyptic number.
30020010179 is a deficient number, since it is larger than the sum of its proper divisors (1).
30020010179 is an equidigital number, since it uses as much as digits as its factorization.
30020010179 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 378, while the sum is 23.
The spelling of 30020010179 in words is "thirty billion, twenty million, ten thousand, one hundred seventy-nine".
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