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30386439120971 is a prime number
BaseRepresentation
bin1101110100010111001001…
…11010001110100001001011
310222120220201012002002122002
412322023210322032201023
512440322411403332341
6144343200514421215
76254230200620603
oct672134472164113
9128526635062562
1030386439120971
1197558a879030a
1234a9118b9180b
1313c55764296cb
147709d6501c03
1537a64adce29b
hex1ba2e4e8e84b

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".