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68761051 is a prime number
BaseRepresentation
bin1000001100100…
…11010111011011
311210101102102121
410012103113123
5120100323201
610453442111
71463313352
oct406232733
9153342377
1068761051
11358a5217
121b040337
1311326918
1491bc999
1560839a1
hex41935db

68761051 has 2 divisors, whose sum is σ = 68761052. Its totient is φ = 68761050.

The previous prime is 68761037. The next prime is 68761079. The reversal of 68761051 is 15016786.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68761051 is a prime.

It is a super-3 number, since 3×687610513 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68760998 and 68761016.

It is not a weakly prime, because it can be changed into another prime (68761031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34380525 + 34380526.

It is an arithmetic number, because the mean of its divisors is an integer number (34380526).

Almost surely, 268761051 is an apocalyptic number.

68761051 is a deficient number, since it is larger than the sum of its proper divisors (1).

68761051 is an equidigital number, since it uses as much as digits as its factorization.

68761051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 68761051 is about 8292.2283494848. The cubic root of 68761051 is about 409.6825839895.

The spelling of 68761051 in words is "sixty-eight million, seven hundred sixty-one thousand, fifty-one".