Base | Representation |
---|---|
bin | 1100001000001111111… |
… | …1101010111011100100 |
3 | 201220211212102220222201 |
4 | 3002003333222323210 |
5 | 11403221432431140 |
6 | 235420351104244 |
7 | 21024450510235 |
oct | 3020377527344 |
9 | 656755386881 |
10 | 208372936420 |
11 | 804090aa270 |
12 | 34473812084 |
13 | 16859bb931c |
14 | a12a10708c |
15 | 564858949a |
hex | 3083feaee4 |
208372936420 has 48 divisors (see below), whose sum is σ = 477441796608. Its totient is φ = 75759541760.
The previous prime is 208372936411. The next prime is 208372936439. The reversal of 208372936420 is 24639273802.
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, 1323117 + ... + 1472203.
It is an arithmetic number, because the mean of its divisors is an integer number (9946704096).
Almost surely, 2208372936420 is an apocalyptic number.
208372936420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
208372936420 is an abundant number, since it is smaller than the sum of its proper divisors (269068860188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208372936420 is a wasteful number, since it uses less digits than its factorization.
208372936420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155460 (or 155458 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 46.
The spelling of 208372936420 in words is "two hundred eight billion, three hundred seventy-two million, nine hundred thirty-six thousand, four hundred twenty".
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