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2311254149 is a prime number
BaseRepresentation
bin1000100111000010…
…1111000010000101
312222002000212122112
42021300233002011
514213140113044
61021202110405
7111163223201
oct21160570205
95862025575
102311254149
11a867084a6
1254604b405
132aaab5809
1417cd5bb01
15d7d9609e
hex89c2f085

2311254149 has 2 divisors, whose sum is σ = 2311254150. Its totient is φ = 2311254148.

The previous prime is 2311254139. The next prime is 2311254163. The reversal of 2311254149 is 9414521132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1419933124 + 891321025 = 37682^2 + 29855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311254149 - 216 = 2311188613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311254139) 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, 1155627074 + 1155627075.

It is an arithmetic number, because the mean of its divisors is an integer number (1155627075).

Almost surely, 22311254149 is an apocalyptic number.

It is an amenable number.

2311254149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311254149 is an equidigital number, since it uses as much as digits as its factorization.

2311254149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 2311254149 is about 48075.5046671379. The cubic root of 2311254149 is about 1322.1555973462.

The spelling of 2311254149 in words is "two billion, three hundred eleven million, two hundred fifty-four thousand, one hundred forty-nine".