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85175753017 = 149357050069
BaseRepresentation
bin100111101010011011…
…1101101100100111001
322010212001012120101011
41033110313231210321
52343414443044032
6103043523553521
76103506645355
oct1172467554471
9263761176334
1085175753017
1133139545a13
121461122b8a1
13805550b474
1441a030a465
152337a90247
hex13d4ded939

85175753017 has 4 divisors (see below), whose sum is σ = 85232804580. Its totient is φ = 85118701456.

The previous prime is 85175752993. The next prime is 85175753027. The reversal of 85175753017 is 71035757158.

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 73823063616 + 11352689401 = 271704^2 + 106549^2 .

It is a cyclic number.

It is not a de Polignac number, because 85175753017 - 27 = 85175752889 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85175753027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28523542 + ... + 28526527.

It is an arithmetic number, because the mean of its divisors is an integer number (21308201145).

Almost surely, 285175753017 is an apocalyptic number.

It is an amenable number.

85175753017 is a deficient number, since it is larger than the sum of its proper divisors (57051563).

85175753017 is a wasteful number, since it uses less digits than its factorization.

85175753017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57051562.

The product of its (nonzero) digits is 1029000, while the sum is 49.

The spelling of 85175753017 in words is "eighty-five billion, one hundred seventy-five million, seven hundred fifty-three thousand, seventeen".

Divisors: 1 1493 57050069 85175753017