Base | Representation |
---|---|
bin | 101110111011… |
… | …001011011011 |
3 | 212010221211022 |
4 | 232323023123 |
5 | 11122113034 |
6 | 1115353055 |
7 | 206362013 |
oct | 56731333 |
9 | 25127738 |
10 | 12301019 |
11 | 6a41a35 |
12 | 415278b |
13 | 2719013 |
14 | 18c2c43 |
15 | 112eb2e |
hex | bbb2db |
12301019 has 4 divisors (see below), whose sum is σ = 12343296. Its totient is φ = 12258744.
The previous prime is 12301007. The next prime is 12301027. The reversal of 12301019 is 91010321.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91010321 = 67 ⋅1358363.
It is a cyclic number.
It is not a de Polignac number, because 12301019 - 28 = 12300763 is a prime.
It is a super-2 number, since 2×123010192 = 302630136876722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12300988 and 12301006.
It is not an unprimeable number, because it can be changed into a prime (12301039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20699 + ... + 21284.
It is an arithmetic number, because the mean of its divisors is an integer number (3085824).
Almost surely, 212301019 is an apocalyptic number.
12301019 is a deficient number, since it is larger than the sum of its proper divisors (42277).
12301019 is an equidigital number, since it uses as much as digits as its factorization.
12301019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42276.
The product of its (nonzero) digits is 54, while the sum is 17.
The square root of 12301019 is about 3507.2808555917. The cubic root of 12301019 is about 230.8413983492.
The spelling of 12301019 in words is "twelve million, three hundred one thousand, nineteen".
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