Search a number
-
+
206079000641 is a prime number
BaseRepresentation
bin1011111111101101000…
…1000000000001000001
3201200220222222220200022
42333323101000001001
511334022211010031
6234401004103225
720613554413643
oct2777321000101
9650828886608
10206079000641
117a441250378
1233b33534b15
1316582888487
149d8d5b6893
155561eb497b
hex2ffb440041

206079000641 has 2 divisors, whose sum is σ = 206079000642. Its totient is φ = 206079000640.

The previous prime is 206079000637. The next prime is 206079000661. The reversal of 206079000641 is 146000970602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162844531600 + 43234469041 = 403540^2 + 207929^2 .

It is a cyclic number.

It is not a de Polignac number, because 206079000641 - 22 = 206079000637 is a prime.

It is not a weakly prime, because it can be changed into another prime (206079000661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103039500320 + 103039500321.

It is an arithmetic number, because the mean of its divisors is an integer number (103039500321).

Almost surely, 2206079000641 is an apocalyptic number.

It is an amenable number.

206079000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

206079000641 is an equidigital number, since it uses as much as digits as its factorization.

206079000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 206079000641 in words is "two hundred six billion, seventy-nine million, six hundred forty-one", and thus it is an aban number.