Base | Representation |
---|---|
bin | 1101110100010111001001… |
… | …11010001110100001001011 |
3 | 10222120220201012002002122002 |
4 | 12322023210322032201023 |
5 | 12440322411403332341 |
6 | 144343200514421215 |
7 | 6254230200620603 |
oct | 672134472164113 |
9 | 128526635062562 |
10 | 30386439120971 |
11 | 97558a879030a |
12 | 34a9118b9180b |
13 | 13c55764296cb |
14 | 7709d6501c03 |
15 | 37a64adce29b |
hex | 1ba2e4e8e84b |
30386439120971 has 2 divisors, whose sum is σ = 30386439120972. Its totient is φ = 30386439120970.
The previous prime is 30386439120929. The next prime is 30386439120991. The reversal of 30386439120971 is 17902193468303.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30386439120971 - 214 = 30386439104587 is a prime.
It is not a weakly prime, because it can be changed into another prime (30386439120991) 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, 15193219560485 + 15193219560486.
It is an arithmetic number, because the mean of its divisors is an integer number (15193219560486).
Almost surely, 230386439120971 is an apocalyptic number.
30386439120971 is a deficient number, since it is larger than the sum of its proper divisors (1).
30386439120971 is an equidigital number, since it uses as much as digits as its factorization.
30386439120971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5878656, while the sum is 56.
The spelling of 30386439120971 in words is "thirty trillion, three hundred eighty-six billion, four hundred thirty-nine million, one hundred twenty thousand, nine hundred seventy-one".
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