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85005885197 = 131769843823
BaseRepresentation
bin100111100101010111…
…1101101111100001101
322010102012120101112102
41033022233231330031
52343043001311242
6103015015044445
76066345050042
oct1171257557415
9263365511472
1085005885197
1133061673792
1214584370725
13802927436c
14418592d1c9
152327bd8e32
hex13cabedf0d

85005885197 has 8 divisors (see below), whose sum is σ = 85766271360. Its totient is φ = 84247188480.

The previous prime is 85005885149. The next prime is 85005885257. The reversal of 85005885197 is 79158850058.

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

It is a cyclic number.

It is not a de Polignac number, because 85005885197 - 236 = 16286408461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85005885397) 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, 321173 + ... + 522650.

It is an arithmetic number, because the mean of its divisors is an integer number (10720783920).

Almost surely, 285005885197 is an apocalyptic number.

It is an amenable number.

85005885197 is a deficient number, since it is larger than the sum of its proper divisors (760386163).

85005885197 is a wasteful number, since it uses less digits than its factorization.

85005885197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844723.

The product of its (nonzero) digits is 4032000, while the sum is 56.

The spelling of 85005885197 in words is "eighty-five billion, five million, eight hundred eighty-five thousand, one hundred ninety-seven".

Divisors: 1 131 769 100739 843823 110540813 648899887 85005885197