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85145833860 = 22358317097557
BaseRepresentation
bin100111101001100010…
…1100101000110000100
322010202221220112000020
41033103011211012010
52343334313140420
6103040534415140
76102664434453
oct1172305450604
9263687815006
1085145833860
113312367023a
12146032014b0
13804c264219
14419a35cb9a
152335130340
hex13d3165184

85145833860 has 48 divisors (see below), whose sum is σ = 241280738496. Its totient is φ = 22431993472.

The previous prime is 85145833823. The next prime is 85145833867. The reversal of 85145833860 is 6833854158.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85145833867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8543799 + ... + 8553758.

It is an arithmetic number, because the mean of its divisors is an integer number (5026682052).

Almost surely, 285145833860 is an apocalyptic number.

It is an amenable number.

85145833860 is an abundant number, since it is smaller than the sum of its proper divisors (156134904636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85145833860 is a wasteful number, since it uses less digits than its factorization.

85145833860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17097652 (or 17097650 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 85145833860 in words is "eighty-five billion, one hundred forty-five million, eight hundred thirty-three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 17097557 34195114 51292671 68390228 85487785 102585342 170975570 205170684 256463355 341951140 512926710 1025853420 1419097231 2838194462 4257291693 5676388924 7095486155 8514583386 14190972310 17029166772 21286458465 28381944620 42572916930 85145833860