Base | Representation |
---|---|
bin | 111110100010000000… |
… | …011010000101100101 |
3 | 20102022021111200110202 |
4 | 332202000122011211 |
5 | 2100001441302120 |
6 | 50502253200245 |
7 | 4564566022403 |
oct | 764200320545 |
9 | 212267450422 |
10 | 67142525285 |
11 | 26525229020 |
12 | 11019a90085 |
13 | 6440445a04 |
14 | 336d310473 |
15 | 1b2e821875 |
hex | fa201a165 |
67142525285 has 16 divisors (see below), whose sum is σ = 88031567232. Its totient is φ = 48755428800.
The previous prime is 67142525273. The next prime is 67142525327. The reversal of 67142525285 is 58252524176.
It is not a de Polignac number, because 67142525285 - 24 = 67142525269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907826 + ... + 978995.
It is an arithmetic number, because the mean of its divisors is an integer number (5501972952).
Almost surely, 267142525285 is an apocalyptic number.
It is an amenable number.
67142525285 is a deficient number, since it is larger than the sum of its proper divisors (20889041947).
67142525285 is a wasteful number, since it uses less digits than its factorization.
67142525285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1887484.
The product of its digits is 1344000, while the sum is 47.
The spelling of 67142525285 in words is "sixty-seven billion, one hundred forty-two million, five hundred twenty-five thousand, two hundred eighty-five".
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