Base | Representation |
---|---|
bin | 10000001001010101… |
… | …10000000101010001 |
3 | 211101002211202011221 |
4 | 20010222300011101 |
5 | 120223033003244 |
6 | 3552050405041 |
7 | 424543625125 |
oct | 100452600521 |
9 | 24332752157 |
10 | 8668250449 |
11 | 3749001951 |
12 | 181ab90781 |
13 | a81b170a1 |
14 | 5c3339585 |
15 | 35aeea784 |
hex | 204ab0151 |
8668250449 has 4 divisors (see below), whose sum is σ = 8673943536. Its totient is φ = 8662557364.
The previous prime is 8668250429. The next prime is 8668250489. The reversal of 8668250449 is 9440528668.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8668250449 - 225 = 8634696017 is a prime.
It is a super-3 number, since 3×86682504493 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8668250396 and 8668250405.
It is not an unprimeable number, because it can be changed into a prime (8668250429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844259 + ... + 2847304.
It is an arithmetic number, because the mean of its divisors is an integer number (2168485884).
Almost surely, 28668250449 is an apocalyptic number.
It is an amenable number.
8668250449 is a deficient number, since it is larger than the sum of its proper divisors (5693087).
8668250449 is a wasteful number, since it uses less digits than its factorization.
8668250449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5693086.
The product of its (nonzero) digits is 3317760, while the sum is 52.
The square root of 8668250449 is about 93103.4395121899. The cubic root of 8668250449 is about 2054.2051653091.
The spelling of 8668250449 in words is "eight billion, six hundred sixty-eight million, two hundred fifty thousand, four hundred forty-nine".
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