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30016045889 is a prime number
BaseRepresentation
bin11011111101000110…
…001000001101000001
32212110212111010012022
4123331012020031001
5442433101432024
621442244011225
72111553115604
oct337506101501
985425433168
1030016045889
11118033035a5
125998390b15
132aa47c27cb
14164a62433b
15baa24835e
hex6fd188341

30016045889 has 2 divisors, whose sum is σ = 30016045890. Its totient is φ = 30016045888.

The previous prime is 30016045847. The next prime is 30016045933. The reversal of 30016045889 is 98854061003.

It is an a-pointer prime, because the next prime (30016045933) can be obtained adding 30016045889 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29093101489 + 922944400 = 170567^2 + 30380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30016045889 is a prime.

It is not a weakly prime, because it can be changed into another prime (30016015889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15008022944 + 15008022945.

It is an arithmetic number, because the mean of its divisors is an integer number (15008022945).

Almost surely, 230016045889 is an apocalyptic number.

It is an amenable number.

30016045889 is a deficient number, since it is larger than the sum of its proper divisors (1).

30016045889 is an equidigital number, since it uses as much as digits as its factorization.

30016045889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 30016045889 in words is "thirty billion, sixteen million, forty-five thousand, eight hundred eighty-nine".