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30142010161 is a prime number
BaseRepresentation
bin11100000100100110…
…101001001100110001
32212210122111202200201
4130010212221030301
5443212323311121
621502543515201
72114642600434
oct340446511461
985718452621
1030142010161
11118684193aa
125a125b8b01
132ac4927393
14165d25381b
15bb632ae91
hex7049a9331

30142010161 has 2 divisors, whose sum is σ = 30142010162. Its totient is φ = 30142010160.

The previous prime is 30142010159. The next prime is 30142010251. The reversal of 30142010161 is 16101024103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21515315761 + 8626694400 = 146681^2 + 92880^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142010161 - 21 = 30142010159 is a prime.

Together with 30142010159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30142010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071005080 + 15071005081.

It is an arithmetic number, because the mean of its divisors is an integer number (15071005081).

Almost surely, 230142010161 is an apocalyptic number.

It is an amenable number.

30142010161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142010161 is an equidigital number, since it uses as much as digits as its factorization.

30142010161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30142010161 its reverse (16101024103), we get a palindrome (46243034264).

The spelling of 30142010161 in words is "thirty billion, one hundred forty-two million, ten thousand, one hundred sixty-one".