Base | Representation |
---|---|
bin | 10000100111000000… |
… | …00101101110010001 |
3 | 212000110010022110001 |
4 | 20103200011232101 |
5 | 121230240114440 |
6 | 4032500410001 |
7 | 433655134111 |
oct | 102340055621 |
9 | 25013108401 |
10 | 8917113745 |
11 | 38665295a1 |
12 | 188a3a6901 |
13 | ac154c287 |
14 | 6083db041 |
15 | 372ca7b9a |
hex | 213805b91 |
8917113745 has 4 divisors (see below), whose sum is σ = 10700536500. Its totient is φ = 7133690992.
The previous prime is 8917113727. The next prime is 8917113767. The reversal of 8917113745 is 5473117198.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5473117198 = 2 ⋅2736558599.
It can be written as a sum of positive squares in 2 ways, for example, as 5087112976 + 3830000769 = 71324^2 + 61887^2 .
It is a cyclic number.
It is not a de Polignac number, because 8917113745 - 213 = 8917105553 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8917113695 and 8917113704.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891711370 + ... + 891711379.
It is an arithmetic number, because the mean of its divisors is an integer number (2675134125).
Almost surely, 28917113745 is an apocalyptic number.
It is an amenable number.
8917113745 is a deficient number, since it is larger than the sum of its proper divisors (1783422755).
8917113745 is a wasteful number, since it uses less digits than its factorization.
8917113745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1783422754.
The product of its digits is 211680, while the sum is 46.
The square root of 8917113745 is about 94430.4704266584. The cubic root of 8917113745 is about 2073.6785505034.
The spelling of 8917113745 in words is "eight billion, nine hundred seventeen million, one hundred thirteen thousand, seven hundred forty-five".
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