Base | Representation |
---|---|
bin | 101111111010000010… |
… | …1000010010101101000 |
3 | 100211112211101022012222 |
4 | 1133310011002111220 |
5 | 3141144034140213 |
6 | 115132334253212 |
7 | 10301304563165 |
oct | 1376405022550 |
9 | 324484338188 |
10 | 102879208808 |
11 | 3a6a36a4312 |
12 | 17b32057208 |
13 | 9917180bac |
14 | 4d9d5c306c |
15 | 2a21dbd808 |
hex | 17f4142568 |
102879208808 has 16 divisors (see below), whose sum is σ = 192907716000. Its totient is φ = 51437151216.
The previous prime is 102879208787. The next prime is 102879208813. The reversal of 102879208808 is 808802978201.
It is a self number, because there is not a number n which added to its sum of digits gives 102879208808.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121868 + ... + 469691.
It is an arithmetic number, because the mean of its divisors is an integer number (12056732250).
Almost surely, 2102879208808 is an apocalyptic number.
It is an amenable number.
102879208808 is a deficient number, since it is larger than the sum of its proper divisors (90028507192).
102879208808 is a wasteful number, since it uses less digits than its factorization.
102879208808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613304 (or 613300 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 53.
The spelling of 102879208808 in words is "one hundred two billion, eight hundred seventy-nine million, two hundred eight thousand, eight hundred eight".
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