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75066274193 = 166944976797
BaseRepresentation
bin100010111101001001…
…1000111000110010001
321011202111102211112112
41011322103013012101
52212213431233233
654252430435105
75265132542231
oct1057223070621
9234674384475
1075066274193
1129920a55939
121266b662a95
137103c3bc31
1438c1809cc1
151e452a9048
hex117a4c7191

75066274193 has 4 divisors (see below), whose sum is σ = 75111252660. Its totient is φ = 75021295728.

The previous prime is 75066274163. The next prime is 75066274207. The reversal of 75066274193 is 39147266057.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33785380864 + 41280893329 = 183808^2 + 203177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75066274193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75066274123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22486730 + ... + 22490067.

It is an arithmetic number, because the mean of its divisors is an integer number (18777813165).

Almost surely, 275066274193 is an apocalyptic number.

It is an amenable number.

75066274193 is a deficient number, since it is larger than the sum of its proper divisors (44978467).

75066274193 is a wasteful number, since it uses less digits than its factorization.

75066274193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44978466.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 75066274193 in words is "seventy-five billion, sixty-six million, two hundred seventy-four thousand, one hundred ninety-three".

Divisors: 1 1669 44976797 75066274193