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220101293 is a prime number
BaseRepresentation
bin11010001111001…
…11101010101101
3120100011022012202
431013213222231
5422321220133
633501311245
75311554506
oct1507475255
9510138182
10220101293
111032723a5
1261865525
13367a4869
1421335bad
15144ca2e8
hexd1e7aad

220101293 has 2 divisors, whose sum is σ = 220101294. Its totient is φ = 220101292.

The previous prime is 220101229. The next prime is 220101311. The reversal of 220101293 is 392101022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110208004 + 109893289 = 10498^2 + 10483^2 .

It is a cyclic number.

It is not a de Polignac number, because 220101293 - 26 = 220101229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220109293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050646 + 110050647.

It is an arithmetic number, because the mean of its divisors is an integer number (110050647).

Almost surely, 2220101293 is an apocalyptic number.

It is an amenable number.

220101293 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101293 is an equidigital number, since it uses as much as digits as its factorization.

220101293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 220101293 is about 14835.8111675769. The cubic root of 220101293 is about 603.7737089595.

The spelling of 220101293 in words is "two hundred twenty million, one hundred one thousand, two hundred ninety-three".