Base | Representation |
---|---|
bin | 110001000110… |
… | …001001000010 |
3 | 220012212121110 |
4 | 301012021002 |
5 | 11243321320 |
6 | 1135504150 |
7 | 214252323 |
oct | 61061102 |
9 | 26185543 |
10 | 12870210 |
11 | 72a0641 |
12 | 4388056 |
13 | 2888112 |
14 | 19d044a |
15 | 11e35e0 |
hex | c46242 |
12870210 has 16 divisors (see below), whose sum is σ = 30888576. Its totient is φ = 3432048.
The previous prime is 12870203. The next prime is 12870217. The reversal of 12870210 is 1207821.
It is an interprime number because it is at equal distance from previous prime (12870203) and next prime (12870217).
It is not an unprimeable number, because it can be changed into a prime (12870217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214474 + ... + 214533.
It is an arithmetic number, because the mean of its divisors is an integer number (1930536).
Almost surely, 212870210 is an apocalyptic number.
12870210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12870210 is an abundant number, since it is smaller than the sum of its proper divisors (18018366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12870210 is a wasteful number, since it uses less digits than its factorization.
12870210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429017.
The product of its (nonzero) digits is 224, while the sum is 21.
The square root of 12870210 is about 3587.5074912814. The cubic root of 12870210 is about 234.3483379449.
The spelling of 12870210 in words is "twelve million, eight hundred seventy thousand, two hundred ten".
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