Base | Representation |
---|---|
bin | 101101111100… |
… | …101011001001 |
3 | 211122221122011 |
4 | 231330223021 |
5 | 11040420001 |
6 | 1110055521 |
7 | 204244423 |
oct | 55745311 |
9 | 24587564 |
10 | 12045001 |
11 | 6887651 |
12 | 404a5a1 |
13 | 2659627 |
14 | 1857813 |
15 | 10cdd51 |
hex | b7cac9 |
12045001 has 2 divisors, whose sum is σ = 12045002. Its totient is φ = 12045000.
The previous prime is 12044987. The next prime is 12045023. The reversal of 12045001 is 10054021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10017225 + 2027776 = 3165^2 + 1424^2 .
It is a cyclic number.
It is not a de Polignac number, because 12045001 - 25 = 12044969 is a prime.
It is a super-3 number, since 3×120450013 (a number of 22 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (12045071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022500 + 6022501.
It is an arithmetic number, because the mean of its divisors is an integer number (6022501).
Almost surely, 212045001 is an apocalyptic number.
It is an amenable number.
12045001 is a deficient number, since it is larger than the sum of its proper divisors (1).
12045001 is an equidigital number, since it uses as much as digits as its factorization.
12045001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 12045001 is about 3470.5908718833. The cubic root of 12045001 is about 229.2286764352.
Adding to 12045001 its reverse (10054021), we get a palindrome (22099022).
The spelling of 12045001 in words is "twelve million, forty-five thousand, one".
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