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213201293 is a prime number
BaseRepresentation
bin11001011010100…
…11000110001101
3112212011202012012
430231103012031
5414034420133
633053351005
75166116054
oct1455230615
9485152165
10213201293
11aa38a318
125b498465
133522a016
142045b39b
1513ab5b48
hexcb5318d

213201293 has 2 divisors, whose sum is σ = 213201294. Its totient is φ = 213201292.

The previous prime is 213201277. The next prime is 213201341. The reversal of 213201293 is 392102312.

213201293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211906249 + 1295044 = 14557^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 213201293 - 24 = 213201277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213201193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106600646 + 106600647.

It is an arithmetic number, because the mean of its divisors is an integer number (106600647).

Almost surely, 2213201293 is an apocalyptic number.

It is an amenable number.

213201293 is a deficient number, since it is larger than the sum of its proper divisors (1).

213201293 is an equidigital number, since it uses as much as digits as its factorization.

213201293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 213201293 is about 14601.4140753559. The cubic root of 213201293 is about 597.3973311453.

The spelling of 213201293 in words is "two hundred thirteen million, two hundred one thousand, two hundred ninety-three".