Base | Representation |
---|---|
bin | 10110011111110100… |
… | …11101111001101010 |
3 | 1011011202011100022112 |
4 | 23033322131321222 |
5 | 144214001121010 |
6 | 5314300322322 |
7 | 605210353052 |
oct | 131772357152 |
9 | 34152140275 |
10 | 12078145130 |
11 | 5138886227 |
12 | 2410b433a2 |
13 | 11a63c584c |
14 | 828160562 |
15 | 4aa559a05 |
hex | 2cfe9de6a |
12078145130 has 8 divisors (see below), whose sum is σ = 21740661252. Its totient is φ = 4831258048.
The previous prime is 12078145103. The next prime is 12078145199. The reversal of 12078145130 is 3154187021.
It can be written as a sum of positive squares in 2 ways, for example, as 11015971849 + 1062173281 = 104957^2 + 32591^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603907247 + ... + 603907266.
Almost surely, 212078145130 is an apocalyptic number.
12078145130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12078145130 is a deficient number, since it is larger than the sum of its proper divisors (9662516122).
12078145130 is a wasteful number, since it uses less digits than its factorization.
12078145130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1207814520.
The product of its (nonzero) digits is 6720, while the sum is 32.
The spelling of 12078145130 in words is "twelve billion, seventy-eight million, one hundred forty-five thousand, one hundred thirty".
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