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245864822293 is a prime number
BaseRepresentation
bin1110010011111010101…
…1110111011000010101
3212111121202001001201101
43210332223313120111
513012012343303133
6304540532230101
723522521336036
oct3447653673025
9774552031641
10245864822293
11952a8312012
123b79776b331
131a25345b08c
14bc85550a8d
1565dec9137d
hex393eaf7615

245864822293 has 2 divisors, whose sum is σ = 245864822294. Its totient is φ = 245864822292.

The previous prime is 245864822267. The next prime is 245864822299. The reversal of 245864822293 is 392228468542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201329895204 + 44534927089 = 448698^2 + 211033^2 .

It is a cyclic number.

It is not a de Polignac number, because 245864822293 - 25 = 245864822261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245864822299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122932411146 + 122932411147.

It is an arithmetic number, because the mean of its divisors is an integer number (122932411147).

Almost surely, 2245864822293 is an apocalyptic number.

It is an amenable number.

245864822293 is a deficient number, since it is larger than the sum of its proper divisors (1).

245864822293 is an equidigital number, since it uses as much as digits as its factorization.

245864822293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13271040, while the sum is 55.

The spelling of 245864822293 in words is "two hundred forty-five billion, eight hundred sixty-four million, eight hundred twenty-two thousand, two hundred ninety-three".