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67873541090 = 256787354109
BaseRepresentation
bin111111001101100101…
…000000101111100010
320111012020001010122012
4333031211000233202
52103001111303330
651103005312522
74621653402665
oct771545005742
9214166033565
1067873541090
112686a932013
12111a2865742
136528a24544
1433dc43d6dc
151b73abdc95
hexfcd940be2

67873541090 has 8 divisors (see below), whose sum is σ = 122172373980. Its totient is φ = 27149416432.

The previous prime is 67873541083. The next prime is 67873541107. The reversal of 67873541090 is 9014537876.

It can be written as a sum of positive squares in 2 ways, for example, as 66978992809 + 894548281 = 258803^2 + 29909^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393677045 + ... + 3393677064.

Almost surely, 267873541090 is an apocalyptic number.

67873541090 is a deficient number, since it is larger than the sum of its proper divisors (54298832890).

67873541090 is a wasteful number, since it uses less digits than its factorization.

67873541090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787354116.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 67873541090 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred forty-one thousand, ninety".

Divisors: 1 2 5 10 6787354109 13574708218 33936770545 67873541090