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76868111 is a prime number
BaseRepresentation
bin1001001010011…
…10101000001111
312100122022020002
410211032220033
5124134234421
611343314515
71622240165
oct445165017
9170568202
1076868111
113a432171
12218aba3b
1312c049b8
14a2cd235
156b35b0b
hex494ea0f

76868111 has 2 divisors, whose sum is σ = 76868112. Its totient is φ = 76868110.

The previous prime is 76868107. The next prime is 76868123. The reversal of 76868111 is 11186867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76868111 - 22 = 76868107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76868161) 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, 38434055 + 38434056.

It is an arithmetic number, because the mean of its divisors is an integer number (38434056).

Almost surely, 276868111 is an apocalyptic number.

76868111 is a deficient number, since it is larger than the sum of its proper divisors (1).

76868111 is an equidigital number, since it uses as much as digits as its factorization.

76868111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 38.

The square root of 76868111 is about 8767.4460933615. The cubic root of 76868111 is about 425.1890480753.

The spelling of 76868111 in words is "seventy-six million, eight hundred sixty-eight thousand, one hundred eleven".