Base | Representation |
---|---|
bin | 1000011001001010000… |
… | …00101100101100000101 |
3 | 1000120100221220022212202 |
4 | 10030211000230230011 |
5 | 14211102214430434 |
6 | 340252012324245 |
7 | 26556263264066 |
oct | 4144500545405 |
9 | 1016327808782 |
10 | 288383748869 |
11 | 101337120957 |
12 | 47a83173685 |
13 | 2126b338728 |
14 | dd5a49856d |
15 | 777c991a7e |
hex | 432502cb05 |
288383748869 has 8 divisors (see below), whose sum is σ = 289815783192. Its totient is φ = 286953376000.
The previous prime is 288383748857. The next prime is 288383748871. The reversal of 288383748869 is 968847383882.
It can be written as a sum of positive squares in 4 ways, for example, as 66861030625 + 221522718244 = 258575^2 + 470662^2 .
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 288383748869 - 228 = 288115313413 is a prime.
It is a super-2 number, since 2×2883837488692 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 288383748796 and 288383748805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288383748899) 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, 66632 + ... + 762369.
It is an arithmetic number, because the mean of its divisors is an integer number (36226972899).
Almost surely, 2288383748869 is an apocalyptic number.
It is an amenable number.
288383748869 is a deficient number, since it is larger than the sum of its proper divisors (1432034323).
288383748869 is a wasteful number, since it uses less digits than its factorization.
288383748869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830727.
The product of its digits is 891813888, while the sum is 74.
The spelling of 288383748869 in words is "two hundred eighty-eight billion, three hundred eighty-three million, seven hundred forty-eight thousand, eight hundred sixty-nine".
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