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2280021973 is a prime number
BaseRepresentation
bin1000011111100110…
…0101111111010101
312212220021010011021
42013321211333111
514132141200343
61014124441141
7110333603245
oct20771457725
95786233137
102280021973
11a70016289
125376a91b1
132a449ba38
14178b4bb25
15d52770ed
hex87e65fd5

2280021973 has 2 divisors, whose sum is σ = 2280021974. Its totient is φ = 2280021972.

The previous prime is 2280021967. The next prime is 2280021979. The reversal of 2280021973 is 3791200822.

It is a balanced prime because it is at equal distance from previous prime (2280021967) and next prime (2280021979).

It can be written as a sum of positive squares in only one way, i.e., 1467885969 + 812136004 = 38313^2 + 28498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2280021973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2280021979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140010986 + 1140010987.

It is an arithmetic number, because the mean of its divisors is an integer number (1140010987).

Almost surely, 22280021973 is an apocalyptic number.

It is an amenable number.

2280021973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280021973 is an equidigital number, since it uses as much as digits as its factorization.

2280021973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2280021973 is about 47749.5756316221. The cubic root of 2280021973 is about 1316.1731011310.

The spelling of 2280021973 in words is "two billion, two hundred eighty million, twenty-one thousand, nine hundred seventy-three".