Base | Representation |
---|---|
bin | 110001001111… |
… | …110111111110 |
3 | 220021220022001 |
4 | 301033313332 |
5 | 11301110303 |
6 | 1140412514 |
7 | 214506466 |
oct | 61176776 |
9 | 26256261 |
10 | 12910078 |
11 | 7318595 |
12 | 43a713a |
13 | 28a02cc |
14 | 1a00ba6 |
15 | 120031d |
hex | c4fdfe |
12910078 has 8 divisors (see below), whose sum is σ = 19387872. Its totient is φ = 6447456.
The previous prime is 12910067. The next prime is 12910087. The reversal of 12910078 is 87001921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×129100782 = 333340227932168, 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 (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350 + ... + 5257.
It is an arithmetic number, because the mean of its divisors is an integer number (2423484).
Almost surely, 212910078 is an apocalyptic number.
12910078 is a deficient number, since it is larger than the sum of its proper divisors (6477794).
12910078 is an equidigital number, since it uses as much as digits as its factorization.
12910078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7586.
The product of its (nonzero) digits is 1008, while the sum is 28.
The square root of 12910078 is about 3593.0596989196. The cubic root of 12910078 is about 234.5900684954.
Adding to 12910078 its reverse (87001921), we get a palindrome (99911999).
The spelling of 12910078 in words is "twelve million, nine hundred ten thousand, seventy-eight".
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