Base | Representation |
---|---|
bin | 111011100110101… |
… | …110100011101000 |
3 | 2120200200122222002 |
4 | 323212232203220 |
5 | 4022000223122 |
6 | 243121350132 |
7 | 33531632651 |
oct | 7346564350 |
9 | 2520618862 |
10 | 1000007912 |
11 | 473529822 |
12 | 23aa98348 |
13 | 12c240977 |
14 | 96b50528 |
15 | 5cbd3992 |
hex | 3b9ae8e8 |
1000007912 has 24 divisors (see below), whose sum is σ = 1899144450. Its totient is φ = 493650144.
The previous prime is 1000007909. The next prime is 1000007923. The reversal of 1000007912 is 2197000001.
It can be written as a sum of positive squares in only one way, i.e., 929884036 + 70123876 = 30494^2 + 8374^2 .
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 5 ways as a sum of consecutive naturals, for example, 39914 + ... + 59942.
Almost surely, 21000007912 is an apocalyptic number.
It is an amenable number.
1000007912 is a deficient number, since it is larger than the sum of its proper divisors (899136538).
1000007912 is an equidigital number, since it uses as much as digits as its factorization.
1000007912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20193 (or 20110 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 20.
The square root of 1000007912 is about 31622.9017011406. The cubic root of 1000007912 is about 1000.0026373264.
Adding to 1000007912 its reverse (2197000001), we get a palindrome (3197007913).
The spelling of 1000007912 in words is "one billion, seven thousand, nine hundred twelve".
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