Base | Representation |
---|---|
bin | 100111110010111010… |
… | …1111001101010010001 |
3 | 22011120212222202022120 |
4 | 1033211311321222101 |
5 | 2400010341202042 |
6 | 103132054524453 |
7 | 6113535121065 |
oct | 1174565715221 |
9 | 264525882276 |
10 | 85460490897 |
11 | 33275245781 |
12 | 14690666729 |
13 | 809c4c4512 |
14 | 41ca069aa5 |
15 | 2352a86dec |
hex | 13e5d79a91 |
85460490897 has 16 divisors (see below), whose sum is σ = 117313123200. Its totient is φ = 55304726400.
The previous prime is 85460490859. The next prime is 85460490931. The reversal of 85460490897 is 79809406458.
It is not a de Polignac number, because 85460490897 - 28 = 85460490641 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 85460490897.
It is not an unprimeable number, because it can be changed into a prime (85460490827) 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, 1721254 + ... + 1770207.
It is an arithmetic number, because the mean of its divisors is an integer number (7332070200).
Almost surely, 285460490897 is an apocalyptic number.
It is an amenable number.
85460490897 is a deficient number, since it is larger than the sum of its proper divisors (31852632303).
85460490897 is a wasteful number, since it uses less digits than its factorization.
85460490897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3491704.
The product of its (nonzero) digits is 17418240, while the sum is 60.
The spelling of 85460490897 in words is "eighty-five billion, four hundred sixty million, four hundred ninety thousand, eight hundred ninety-seven".
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