Base | Representation |
---|---|
bin | 1011100001111110000110… |
… | …1111100101000110111100 |
3 | 1122220000202001110110102002 |
4 | 2320133201233211012330 |
5 | 3130210011333234420 |
6 | 42544145013521432 |
7 | 2445654334343246 |
oct | 270374157450674 |
9 | 48800661413362 |
10 | 12678235836860 |
11 | 404889a677610 |
12 | 1509163643278 |
13 | 70c724b2b789 |
14 | 31b8b65b3096 |
15 | 16ebcb432075 |
hex | b87e1be51bc |
12678235836860 has 48 divisors (see below), whose sum is σ = 29048764631040. Its totient is φ = 4609620133440.
The previous prime is 12678235836839. The next prime is 12678235836869. The reversal of 12678235836860 is 6863853287621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12678235836869) 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, 2475020 + ... + 5610899.
It is an arithmetic number, because the mean of its divisors is an integer number (605182596480).
Almost surely, 212678235836860 is an apocalyptic number.
12678235836860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12678235836860 is an abundant number, since it is smaller than the sum of its proper divisors (16370528794180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12678235836860 is a wasteful number, since it uses less digits than its factorization.
12678235836860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8093066 (or 8093064 counting only the distinct ones).
The product of its (nonzero) digits is 139345920, while the sum is 65.
The spelling of 12678235836860 in words is "twelve trillion, six hundred seventy-eight billion, two hundred thirty-five million, eight hundred thirty-six thousand, eight hundred sixty".
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