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2312214809 is a prime number
BaseRepresentation
bin1000100111010001…
…1001100100011001
312222010211200102112
42021310121210121
514213411333214
61021234442105
7111204334022
oct21164314431
95863750375
102312214809
11a87204233
12546433335
132ab060b58
1417d12bc49
15d7ed5a3e
hex89d19919

2312214809 has 2 divisors, whose sum is σ = 2312214810. Its totient is φ = 2312214808.

The previous prime is 2312214799. The next prime is 2312214847. The reversal of 2312214809 is 9084122132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161105625 + 1151109184 = 34075^2 + 33928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312214809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312214859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156107404 + 1156107405.

It is an arithmetic number, because the mean of its divisors is an integer number (1156107405).

Almost surely, 22312214809 is an apocalyptic number.

It is an amenable number.

2312214809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312214809 is an equidigital number, since it uses as much as digits as its factorization.

2312214809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2312214809 is about 48085.4947879296. The cubic root of 2312214809 is about 1322.3387541922.

The spelling of 2312214809 in words is "two billion, three hundred twelve million, two hundred fourteen thousand, eight hundred nine".