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1814310973 is a prime number
BaseRepresentation
bin110110000100100…
…0011000000111101
311200102221112202201
41230021003000331
512203430422343
6500010551501
762650250236
oct15411030075
94612845681
101814310973
11851149762
12427738591
1322bb60bb7
14132d6008d
15a943394d
hex6c24303d

1814310973 has 2 divisors, whose sum is σ = 1814310974. Its totient is φ = 1814310972.

The previous prime is 1814310959. The next prime is 1814310977. The reversal of 1814310973 is 3790134181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1045746244 + 768564729 = 32338^2 + 27723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814310973 - 29 = 1814310461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1814310977) 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, 907155486 + 907155487.

It is an arithmetic number, because the mean of its divisors is an integer number (907155487).

Almost surely, 21814310973 is an apocalyptic number.

It is an amenable number.

1814310973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814310973 is an equidigital number, since it uses as much as digits as its factorization.

1814310973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1814310973 is about 42594.7294040002. The cubic root of 1814310973 is about 1219.6556792805.

The spelling of 1814310973 in words is "one billion, eight hundred fourteen million, three hundred ten thousand, nine hundred seventy-three".