Base | Representation |
---|---|
bin | 11001010100101… |
… | …10000010100000 |
3 | 112210201101221102 |
4 | 30222112002200 |
5 | 413340130122 |
6 | 33025013532 |
7 | 5156412305 |
oct | 1452260240 |
9 | 483641842 |
10 | 212426912 |
11 | a9a00535 |
12 | 5b1842a8 |
13 | 350186c9 |
14 | 202d90ac |
15 | 139b1492 |
hex | ca960a0 |
212426912 has 12 divisors (see below), whose sum is σ = 418215546. Its totient is φ = 106213440.
The previous prime is 212426909. The next prime is 212426927. The reversal of 212426912 is 219624212.
It can be written as a sum of positive squares in only one way, i.e., 167857936 + 44568976 = 12956^2 + 6676^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3319139 + ... + 3319202.
Almost surely, 2212426912 is an apocalyptic number.
It is an amenable number.
212426912 is a deficient number, since it is larger than the sum of its proper divisors (205788634).
212426912 is an equidigital number, since it uses as much as digits as its factorization.
212426912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6638351 (or 6638343 counting only the distinct ones).
The product of its digits is 3456, while the sum is 29.
The square root of 212426912 is about 14574.8726238002. The cubic root of 212426912 is about 596.6731729816.
The spelling of 212426912 in words is "two hundred twelve million, four hundred twenty-six thousand, nine hundred twelve".
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