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220221230293 is a prime number
BaseRepresentation
bin1100110100011000110…
…1010100110011010101
3210001102121002121122201
43031012031110303111
512102003113332133
6245100201124501
721624200400121
oct3150615246325
9701377077581
10220221230293
1185439163879
123681b789731
13179c77a54bc
14a931914581
155add83ed7d
hex3346354cd5

220221230293 has 2 divisors, whose sum is σ = 220221230294. Its totient is φ = 220221230292.

The previous prime is 220221230233. The next prime is 220221230347. The reversal of 220221230293 is 392032122022.

220221230293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133969176324 + 86252053969 = 366018^2 + 293687^2 .

It is a cyclic number.

It is not a de Polignac number, because 220221230293 - 217 = 220221099221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220221230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110615146 + 110110615147.

It is an arithmetic number, because the mean of its divisors is an integer number (110110615147).

Almost surely, 2220221230293 is an apocalyptic number.

It is an amenable number.

220221230293 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221230293 is an equidigital number, since it uses as much as digits as its factorization.

220221230293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 220221230293 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thirty thousand, two hundred ninety-three".