Base | Representation |
---|---|
bin | 1000011001101011… |
… | …1101011001010001 |
3 | 12211011120202020102 |
4 | 2012122331121101 |
5 | 14104313323121 |
6 | 1011441022145 |
7 | 106613001254 |
oct | 20632753121 |
9 | 5734522212 |
10 | 2255214161 |
11 | a58011862 |
12 | 52b324955 |
13 | 29c2c4165 |
14 | 17573109b |
15 | d2ec690b |
hex | 866bd651 |
2255214161 has 4 divisors (see below), whose sum is σ = 2255479152. Its totient is φ = 2254949172.
The previous prime is 2255214119. The next prime is 2255214191. The reversal of 2255214161 is 1614125522.
2255214161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1614125522 = 2 ⋅807062761.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2255214161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2255214191) 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, 119291 + ... + 136896.
It is an arithmetic number, because the mean of its divisors is an integer number (563869788).
Almost surely, 22255214161 is an apocalyptic number.
It is an amenable number.
2255214161 is a deficient number, since it is larger than the sum of its proper divisors (264991).
2255214161 is an equidigital number, since it uses as much as digits as its factorization.
2255214161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264990.
The product of its digits is 4800, while the sum is 29.
The square root of 2255214161 is about 47489.0951798410. The cubic root of 2255214161 is about 1311.3821360217.
Adding to 2255214161 its reverse (1614125522), we get a palindrome (3869339683).
The spelling of 2255214161 in words is "two billion, two hundred fifty-five million, two hundred fourteen thousand, one hundred sixty-one".
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