Base | Representation |
---|---|
bin | 10110101111001100010000… |
… | …010001110110001100101010 |
3 | 111010001220110201001011210220 |
4 | 112233030100101312030222 |
5 | 101101344443121313131 |
6 | 552403210403150510 |
7 | 30030522065620125 |
oct | 2657142021661452 |
9 | 433056421034726 |
10 | 99999996666666 |
11 | 2995484013a858 |
12 | b270804675436 |
13 | 43a4c61549965 |
14 | 1a9a0505c53bc |
15 | b86369361e96 |
hex | 5af31047632a |
99999996666666 has 128 divisors (see below), whose sum is σ = 219565375488000. Its totient is φ = 30225933588480.
The previous prime is 99999996666629. The next prime is 99999996666677. The reversal of 99999996666666 is 66666669999999.
It is a super-5 number, since 5×999999966666665 (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
99999996666666 is a strobogrammatic number because it is the same when read upside-down.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3513318751 + ... + 3513347213.
It is an arithmetic number, because the mean of its divisors is an integer number (1715354496000).
Almost surely, 299999996666666 is an apocalyptic number.
99999996666666 is an abundant number, since it is smaller than the sum of its proper divisors (119565378821334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99999996666666 is a wasteful number, since it uses less digits than its factorization.
99999996666666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33404.
The product of its digits is 1338925209984, while the sum is 105.
The spelling of 99999996666666 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, six hundred sixty-six thousand, six hundred sixty-six".
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