Base | Representation |
---|---|
bin | 110000011010… |
… | …001110111000 |
3 | 212212201220100 |
4 | 300122032320 |
5 | 11222042420 |
6 | 1131555400 |
7 | 212603064 |
oct | 60321670 |
9 | 25781810 |
10 | 12690360 |
11 | 7188501 |
12 | 42bbb60 |
13 | 28242b7 |
14 | 1984aa4 |
15 | 11aa190 |
hex | c1a3b8 |
12690360 has 48 divisors (see below), whose sum is σ = 41244840. Its totient is φ = 3384000.
The previous prime is 12690343. The next prime is 12690389. The reversal of 12690360 is 6309621.
It is a happy number.
It is a super-2 number, since 2×126903602 = 322090473859200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17266 + ... + 17985.
Almost surely, 212690360 is an apocalyptic number.
12690360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12690360 is an abundant number, since it is smaller than the sum of its proper divisors (28554480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12690360 is a wasteful number, since it uses less digits than its factorization.
12690360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35268 (or 35261 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 12690360 is about 3562.3531548683. The cubic root of 12690360 is about 233.2516085675.
Adding to 12690360 its reverse (6309621), we get a palindrome (18999981).
The spelling of 12690360 in words is "twelve million, six hundred ninety thousand, three hundred sixty".
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