Base | Representation |
---|---|
bin | 111101101011001… |
… | …1010011011011001 |
3 | 12100020002010020121 |
4 | 1323112122123121 |
5 | 13214241113420 |
6 | 541203553241 |
7 | 102166141636 |
oct | 17326323331 |
9 | 5306063217 |
10 | 2069472985 |
11 | 972188758 |
12 | 49908b821 |
13 | 26c990038 |
14 | 158bc118d |
15 | c1a372aa |
hex | 7b59a6d9 |
2069472985 has 16 divisors (see below), whose sum is σ = 2665475856. Its totient is φ = 1536841728.
The previous prime is 2069472971. The next prime is 2069473009. The reversal of 2069472985 is 5892749602.
It can be written as a sum of positive squares in 8 ways, for example, as 95981209 + 1973491776 = 9797^2 + 44424^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2069472985 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160554 + ... + 172963.
It is an arithmetic number, because the mean of its divisors is an integer number (166592241).
Almost surely, 22069472985 is an apocalyptic number.
It is an amenable number.
2069472985 is a deficient number, since it is larger than the sum of its proper divisors (596002871).
2069472985 is a wasteful number, since it uses less digits than its factorization.
2069472985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333612.
The product of its (nonzero) digits is 2177280, while the sum is 52.
The square root of 2069472985 is about 45491.4605722876. The cubic root of 2069472985 is about 1274.3437319804.
The spelling of 2069472985 in words is "two billion, sixty-nine million, four hundred seventy-two thousand, nine hundred eighty-five".
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