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206020460249 is a prime number
BaseRepresentation
bin1011111111011111000…
…1101011111011011001
3201200202220211202100122
42333313301223323121
511333412214211444
6234351113243025
720612244006152
oct2776761537331
9650686752318
10206020460249
117a4111a708a
1233b17a03475
13165736cc9a6
149d858d8929
15555bc9e4ee
hex2ff7c6bed9

206020460249 has 2 divisors, whose sum is σ = 206020460250. Its totient is φ = 206020460248.

The previous prime is 206020460179. The next prime is 206020460293. The reversal of 206020460249 is 942064020602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152066461849 + 53953998400 = 389957^2 + 232280^2 .

It is a cyclic number.

It is not a de Polignac number, because 206020460249 - 28 = 206020459993 is a prime.

It is not a weakly prime, because it can be changed into another prime (206020463249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103010230124 + 103010230125.

It is an arithmetic number, because the mean of its divisors is an integer number (103010230125).

Almost surely, 2206020460249 is an apocalyptic number.

It is an amenable number.

206020460249 is a deficient number, since it is larger than the sum of its proper divisors (1).

206020460249 is an equidigital number, since it uses as much as digits as its factorization.

206020460249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 206020460249 in words is "two hundred six billion, twenty million, four hundred sixty thousand, two hundred forty-nine".