Base | Representation |
---|---|
bin | 100000000001010100100111… |
… | …0000011111111011011111110 |
3 | 1100221021010002221210011220120 |
4 | 1000002221032003333123332 |
5 | 243404130332300144311 |
6 | 2435011142404555410 |
7 | 113220010654566363 |
oct | 10002511603773376 |
9 | 1327233087704816 |
10 | 281656675006206 |
11 | 81820a1a2a2985 |
12 | 2770ab4a6b2b66 |
13 | c121158980856 |
14 | 4d7a381d1446a |
15 | 228680a971706 |
hex | 1002a4e0ff6fe |
281656675006206 has 32 divisors (see below), whose sum is σ = 575302402119168. Its totient is φ = 91887408412800.
The previous prime is 281656675006117. The next prime is 281656675006207. The reversal of 281656675006206 is 602600576656182.
It is a self number, because there is not a number n which added to its sum of digits gives 281656675006206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (281656675006207) 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, 42360741 + ... + 48556623.
It is an arithmetic number, because the mean of its divisors is an integer number (17978200066224).
Almost surely, 2281656675006206 is an apocalyptic number.
281656675006206 is an abundant number, since it is smaller than the sum of its proper divisors (293645727112962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
281656675006206 is a wasteful number, since it uses less digits than its factorization.
281656675006206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6357136.
The product of its (nonzero) digits is 43545600, while the sum is 60.
The spelling of 281656675006206 in words is "two hundred eighty-one trillion, six hundred fifty-six billion, six hundred seventy-five million, six thousand, two hundred six".
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