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2147516389 is a prime number
BaseRepresentation
bin1000000000000000…
…0111111111100101
312112122221010200001
42000000013333211
513344231011024
6553032421301
7104134405504
oct20000077745
95478833601
102147516389
11a02242937
124bb247831
13282bb6975
141652d883b
15c8801244
hex80007fe5

2147516389 has 2 divisors, whose sum is σ = 2147516390. Its totient is φ = 2147516388.

The previous prime is 2147516383. The next prime is 2147516419. The reversal of 2147516389 is 9836157412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1904624164 + 242892225 = 43642^2 + 15585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147516389 - 213 = 2147508197 is a prime.

It is a super-2 number, since 2×21475163892 = 9223653282047198642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147516383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073758194 + 1073758195.

It is an arithmetic number, because the mean of its divisors is an integer number (1073758195).

Almost surely, 22147516389 is an apocalyptic number.

It is an amenable number.

2147516389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147516389 is an equidigital number, since it uses as much as digits as its factorization.

2147516389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 2147516389 is about 46341.3032725667. The cubic root of 2147516389 is about 1290.1657117408.

The spelling of 2147516389 in words is "two billion, one hundred forty-seven million, five hundred sixteen thousand, three hundred eighty-nine".