Base | Representation |
---|---|
bin | 11001000011100111… |
… | …10001101101111001 |
3 | 1021201111112122121211 |
4 | 30201303301231321 |
5 | 210022220414001 |
6 | 10102501403121 |
7 | 654233105332 |
oct | 144163615571 |
9 | 37644478554 |
10 | 13452123001 |
11 | 5783411129 |
12 | 27351094a1 |
13 | 1364c62ac5 |
14 | 91881b289 |
15 | 53aeae351 |
hex | 321cf1b79 |
13452123001 has 24 divisors (see below), whose sum is σ = 14909579496. Its totient is φ = 12087828480.
The previous prime is 13452122989. The next prime is 13452123007. The reversal of 13452123001 is 10032125431.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 515335401 + 12936787600 = 22701^2 + 113740^2 .
It is a de Polignac number, because none of the positive numbers 2k-13452123001 is a prime.
It is a super-2 number, since 2×134521230012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13452123007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1535305 + ... + 1544041.
It is an arithmetic number, because the mean of its divisors is an integer number (621232479).
Almost surely, 213452123001 is an apocalyptic number.
It is an amenable number.
13452123001 is a deficient number, since it is larger than the sum of its proper divisors (1457456495).
13452123001 is an equidigital number, since it uses as much as digits as its factorization.
13452123001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8889 (or 8842 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 13452123001 its reverse (10032125431), we get a palindrome (23484248432).
The spelling of 13452123001 in words is "thirteen billion, four hundred fifty-two million, one hundred twenty-three thousand, one".
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