Base | Representation |
---|---|
bin | 11010001011101011… |
… | …101010101000100001 |
3 | 2200120021002210001120 |
4 | 122023223222220201 |
5 | 430034000033432 |
6 | 20525353122453 |
7 | 2013446652666 |
oct | 321353525041 |
9 | 80507083046 |
10 | 28113283617 |
11 | 10a172410a1 |
12 | 55470b9429 |
13 | 2860532883 |
14 | 1509a3ba6d |
15 | ae8191c2c |
hex | 68baeaa21 |
28113283617 has 16 divisors (see below), whose sum is σ = 40462899840. Its totient is φ = 17309126912.
The previous prime is 28113283613. The next prime is 28113283631. The reversal of 28113283617 is 71638231182.
It is a cyclic number.
It is not a de Polignac number, because 28113283617 - 22 = 28113283613 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28113283613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7022808 + ... + 7026809.
It is an arithmetic number, because the mean of its divisors is an integer number (2528931240).
Almost surely, 228113283617 is an apocalyptic number.
It is an amenable number.
28113283617 is a deficient number, since it is larger than the sum of its proper divisors (12349616223).
28113283617 is a wasteful number, since it uses less digits than its factorization.
28113283617 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14049672.
The product of its digits is 96768, while the sum is 42.
The spelling of 28113283617 in words is "twenty-eight billion, one hundred thirteen million, two hundred eighty-three thousand, six hundred seventeen".
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