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67914620275 = 524316302981
BaseRepresentation
bin111111010000000001…
…101101110101110011
320111022002100011200111
4333100001231311303
52103042120322100
651111034002151
74622662514245
oct772001556563
9214262304614
1067914620275
112689103a457
12111b4576357
1365343a8358
143403a94095
151b774d56ba
hexfd006dd73

67914620275 has 12 divisors (see below), whose sum is σ = 84409534944. Its totient is φ = 54205628000.

The previous prime is 67914620261. The next prime is 67914620297. The reversal of 67914620275 is 57202641976.

It is a happy number.

67914620275 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67914620275 - 211 = 67914618227 is a prime.

It is a super-2 number, since 2×679146202752 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

67914620275 is strictly pandigital in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3140716 + ... + 3162265.

It is an arithmetic number, because the mean of its divisors is an integer number (7034127912).

Almost surely, 267914620275 is an apocalyptic number.

67914620275 is a deficient number, since it is larger than the sum of its proper divisors (16494914669).

67914620275 is a wasteful number, since it uses less digits than its factorization.

67914620275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303422 (or 6303417 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 67914620275 in words is "sixty-seven billion, nine hundred fourteen million, six hundred twenty thousand, two hundred seventy-five".

Divisors: 1 5 25 431 2155 10775 6302981 31514905 157574525 2716584811 13582924055 67914620275