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3012000989 is a prime number
BaseRepresentation
bin1011001110000111…
…0111110011011101
321202220121111121012
42303201313303131
522132033012424
61214513345005
7134432404664
oct26341676335
97686544535
103012000989
111306217a18
12700868165
13390026b0a
1420804bddb
15129664b0e
hexb3877cdd

3012000989 has 2 divisors, whose sum is σ = 3012000990. Its totient is φ = 3012000988.

The previous prime is 3012000977. The next prime is 3012000991. The reversal of 3012000989 is 9890002103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2405117764 + 606883225 = 49042^2 + 24635^2 .

It is an emirp because it is prime and its reverse (9890002103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3012000989 is a prime.

Together with 3012000991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012090989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506000494 + 1506000495.

It is an arithmetic number, because the mean of its divisors is an integer number (1506000495).

Almost surely, 23012000989 is an apocalyptic number.

It is an amenable number.

3012000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012000989 is an equidigital number, since it uses as much as digits as its factorization.

3012000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 3012000989 is about 54881.6999463391. The cubic root of 3012000989 is about 1444.1701694838.

The spelling of 3012000989 in words is "three billion, twelve million, nine hundred eighty-nine", and thus it is an aban number.