Base | Representation |
---|---|
bin | 10110010111000000… |
… | …00110000011110110 |
3 | 1010222120212121212100 |
4 | 23023200012003312 |
5 | 144041023412440 |
6 | 5303054002530 |
7 | 603321234525 |
oct | 131340060366 |
9 | 33876777770 |
10 | 12004122870 |
11 | 5100018203 |
12 | 23b01a6446 |
13 | 1193c792ac |
14 | 81c3b24bc |
15 | 4a3cd7230 |
hex | 2cb8060f6 |
12004122870 has 48 divisors (see below), whose sum is σ = 32217524352. Its totient is φ = 3097837440.
The previous prime is 12004122869. The next prime is 12004122877. The reversal of 12004122870 is 7822140021.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12004122877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2148487 + ... + 2154066.
It is an arithmetic number, because the mean of its divisors is an integer number (671198424).
Almost surely, 212004122870 is an apocalyptic number.
12004122870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12004122870 is an abundant number, since it is smaller than the sum of its proper divisors (20213401482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12004122870 is a wasteful number, since it uses less digits than its factorization.
12004122870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4302597 (or 4302594 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
Adding to 12004122870 its reverse (7822140021), we get a palindrome (19826262891).
The spelling of 12004122870 in words is "twelve billion, four million, one hundred twenty-two thousand, eight hundred seventy".
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