Base | Representation |
---|---|
bin | 111110110110100001… |
… | …111000100100100100 |
3 | 20110012021101221121221 |
4 | 332312201320210210 |
5 | 2101203113021340 |
6 | 51000353150124 |
7 | 4606246501534 |
oct | 766641704444 |
9 | 213167357557 |
10 | 67486845220 |
11 | 26691623753 |
12 | 110b525b344 |
13 | 6496890712 |
14 | 33a2d3d4c4 |
15 | 1b4eb8744a |
hex | fb6878924 |
67486845220 has 12 divisors (see below), whose sum is σ = 141722375004. Its totient is φ = 26994738080.
The previous prime is 67486845187. The next prime is 67486845227. The reversal of 67486845220 is 2254868476.
67486845220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 15811553536 + 51675291684 = 125744^2 + 227322^2 .
It is not an unprimeable number, because it can be changed into a prime (67486845227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687171111 + ... + 1687171150.
It is an arithmetic number, because the mean of its divisors is an integer number (11810197917).
Almost surely, 267486845220 is an apocalyptic number.
It is an amenable number.
67486845220 is an abundant number, since it is smaller than the sum of its proper divisors (74235529784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67486845220 is a wasteful number, since it uses less digits than its factorization.
67486845220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3374342270 (or 3374342268 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 52.
The spelling of 67486845220 in words is "sixty-seven billion, four hundred eighty-six million, eight hundred forty-five thousand, two hundred twenty".
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