Base | Representation |
---|---|
bin | 1011100111110111… |
… | …0110110000010011 |
3 | 22001102211102102021 |
4 | 2321331312300103 |
5 | 22342210000034 |
6 | 1233332232311 |
7 | 140213363653 |
oct | 27175666023 |
9 | 8042742367 |
10 | 3120000019 |
11 | 1361182214 |
12 | 730a6b697 |
13 | 3a950b476 |
14 | 218522363 |
15 | 133d996b4 |
hex | b9f76c13 |
3120000019 has 2 divisors, whose sum is σ = 3120000020. Its totient is φ = 3120000018.
The previous prime is 3120000017. The next prime is 3120000047. The reversal of 3120000019 is 9100000213.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 3120000019 - 21 = 3120000017 is a prime.
It is a super-2 number, since 2×31200000192 = 19468800237120000722, which contains 22 as substring.
Together with 3120000017, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 3119999957 and 3120000011.
It is not a weakly prime, because it can be changed into another prime (3120000017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560000009 + 1560000010.
It is an arithmetic number, because the mean of its divisors is an integer number (1560000010).
Almost surely, 23120000019 is an apocalyptic number.
3120000019 is a deficient number, since it is larger than the sum of its proper divisors (1).
3120000019 is an equidigital number, since it uses as much as digits as its factorization.
3120000019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 3120000019 is about 55856.9603451530. The cubic root of 3120000019 is about 1461.2287177787.
The spelling of 3120000019 in words is "three billion, one hundred twenty million, nineteen", and thus it is an aban number.
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