Base | Representation |
---|---|
bin | 1111010001100010… |
… | …01000010100110001 |
3 | 210011111001022120102 |
4 | 13220301020110301 |
5 | 113243220114221 |
6 | 3433405522145 |
7 | 410131133435 |
oct | 75061102461 |
9 | 23144038512 |
10 | 8200160561 |
11 | 352885aaaa |
12 | 170a273355 |
13 | a08b55518 |
14 | 57b0cc9c5 |
15 | 32ed8730b |
hex | 1e8c48531 |
8200160561 has 4 divisors (see below), whose sum is σ = 8202736752. Its totient is φ = 8197584372.
The previous prime is 8200160539. The next prime is 8200160567. The reversal of 8200160561 is 1650610028.
It is a happy number.
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 8200160561 - 210 = 8200159537 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8200160567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283315 + ... + 1289688.
It is an arithmetic number, because the mean of its divisors is an integer number (2050684188).
Almost surely, 28200160561 is an apocalyptic number.
It is an amenable number.
8200160561 is a deficient number, since it is larger than the sum of its proper divisors (2576191).
8200160561 is a wasteful number, since it uses less digits than its factorization.
8200160561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2576190.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 8200160561 is about 90554.7379268473. The cubic root of 8200160561 is about 2016.5428367591.
Adding to 8200160561 its reverse (1650610028), we get a palindrome (9850770589).
The spelling of 8200160561 in words is "eight billion, two hundred million, one hundred sixty thousand, five hundred sixty-one".
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