Search a number
-
+
85919175185 = 572211237967
BaseRepresentation
bin101000000000100101…
…1101001001000010001
322012202212002022212112
41100001023221020101
52401430302101220
6103245402035105
76131104640054
oct1200113511021
9265685068775
1085919175185
1133490152aa8
121479a1a8a95
138143541c3c
144230d48a9b
15237ce8d5c5
hex14012e9211

85919175185 has 8 divisors (see below), whose sum is σ = 103104871296. Its totient is φ = 68734099440.

The previous prime is 85919175161. The next prime is 85919175187. The reversal of 85919175185 is 58157191958.

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

It is not a de Polignac number, because 85919175185 - 212 = 85919171089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85919175187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242072 + ... + 480038.

It is an arithmetic number, because the mean of its divisors is an integer number (12888108912).

Almost surely, 285919175185 is an apocalyptic number.

It is an amenable number.

85919175185 is a deficient number, since it is larger than the sum of its proper divisors (17185696111).

85919175185 is a wasteful number, since it uses less digits than its factorization.

85919175185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310183.

The product of its digits is 4536000, while the sum is 59.

The spelling of 85919175185 in words is "eighty-five billion, nine hundred nineteen million, one hundred seventy-five thousand, one hundred eighty-five".

Divisors: 1 5 72211 237967 361055 1189835 17183835037 85919175185