Base | Representation |
---|---|
bin | 101110000100… |
… | …101110111010 |
3 | 211201121220201 |
4 | 232010232322 |
5 | 11042444020 |
6 | 1110512414 |
7 | 204442600 |
oct | 56045672 |
9 | 24647821 |
10 | 12078010 |
11 | 68aa42a |
12 | 406570a |
13 | 266b669 |
14 | 1865870 |
15 | 10d8a0a |
hex | b84bba |
12078010 has 36 divisors (see below), whose sum is σ = 25451982. Its totient is φ = 4114656.
The previous prime is 12077993. The next prime is 12078019. The reversal of 12078010 is 1087021.
It can be written as a sum of positive squares in 3 ways, for example, as 7338681 + 4739329 = 2709^2 + 2177^2 .
It is not an unprimeable number, because it can be changed into a prime (12078019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76852 + ... + 77008.
Almost surely, 212078010 is an apocalyptic number.
12078010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12078010 is an abundant number, since it is smaller than the sum of its proper divisors (13373972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12078010 is an equidigital number, since it uses as much as digits as its factorization.
12078010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335 (or 171 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 19.
The square root of 12078010 is about 3475.3431485250. The cubic root of 12078010 is about 229.4378837751.
The spelling of 12078010 in words is "twelve million, seventy-eight thousand, ten".
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