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2068104257 is a prime number
BaseRepresentation
bin111101101000100…
…1100010001000001
312100010111120200222
41323101030101001
513213413314012
6541114352425
7102151411322
oct17321142101
95303446628
102068104257
1197143337a
1249872b715
1326c60103b
14158946449
15c1866972
hex7b44c441

2068104257 has 2 divisors, whose sum is σ = 2068104258. Its totient is φ = 2068104256.

The previous prime is 2068104223. The next prime is 2068104299. The reversal of 2068104257 is 7524018602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849774081 + 218330176 = 43009^2 + 14776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068104257 - 212 = 2068100161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068104557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034052128 + 1034052129.

It is an arithmetic number, because the mean of its divisors is an integer number (1034052129).

Almost surely, 22068104257 is an apocalyptic number.

It is an amenable number.

2068104257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068104257 is an equidigital number, since it uses as much as digits as its factorization.

2068104257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2068104257 is about 45476.4142935654. The cubic root of 2068104257 is about 1274.0627241039.

The spelling of 2068104257 in words is "two billion, sixty-eight million, one hundred four thousand, two hundred fifty-seven".