Base | Representation |
---|---|
bin | 101101111011… |
… | …111100100011 |
3 | 211122210112201 |
4 | 231323330203 |
5 | 11040321034 |
6 | 1110034031 |
7 | 204232633 |
oct | 55737443 |
9 | 24583481 |
10 | 12042019 |
11 | 6885390 |
12 | 4048917 |
13 | 2658172 |
14 | 18566c3 |
15 | 10cd014 |
hex | b7bf23 |
12042019 has 8 divisors (see below), whose sum is σ = 13205808. Its totient is φ = 10889760.
The previous prime is 12041999. The next prime is 12042053. The reversal of 12042019 is 91024021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12042019 - 219 = 11517731 is a prime.
It is a super-2 number, since 2×120420192 = 290020443192722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12041987 and 12042005.
It is not an unprimeable number, because it can be changed into a prime (12042059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 4945.
It is an arithmetic number, because the mean of its divisors is an integer number (1650726).
Almost surely, 212042019 is an apocalyptic number.
12042019 is a deficient number, since it is larger than the sum of its proper divisors (1163789).
12042019 is a wasteful number, since it uses less digits than its factorization.
12042019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5765.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 12042019 is about 3470.1612354471. The cubic root of 12042019 is about 229.2097580382.
It can be divided in two parts, 1204 and 2019, that added together give a palindrome (3223).
The spelling of 12042019 in words is "twelve million, forty-two thousand, nineteen".
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