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127338666801 = 390746798481
BaseRepresentation
bin111011010010111111…
…0011101101100110001
3110011200110011111210120
41312211332131230301
54041242144314201
6134255405320453
712125366544303
oct1664576355461
9404613144716
10127338666801
114a0053a3105
1220819566129
13c014708b68
14623dc5d973
1534a43ba536
hex1da5f9db31

127338666801 has 8 divisors (see below), whose sum is σ = 169972086624. Its totient is φ = 84798845760.

The previous prime is 127338666743. The next prime is 127338666803. The reversal of 127338666801 is 108666833721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127338666801 - 222 = 127334472497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127338666803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23396520 + ... + 23401961.

It is an arithmetic number, because the mean of its divisors is an integer number (21246510828).

Almost surely, 2127338666801 is an apocalyptic number.

It is an amenable number.

127338666801 is a deficient number, since it is larger than the sum of its proper divisors (42633419823).

127338666801 is an equidigital number, since it uses as much as digits as its factorization.

127338666801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46799391.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 127338666801 in words is "one hundred twenty-seven billion, three hundred thirty-eight million, six hundred sixty-six thousand, eight hundred one".

Divisors: 1 3 907 2721 46798481 140395443 42446222267 127338666801