Base | Representation |
---|---|
bin | 1101010011101111101… |
… | …0000100000100100101 |
3 | 210212011012101021020212 |
4 | 3110323322010010211 |
5 | 12221222403442321 |
6 | 253011321105205 |
7 | 22342604565503 |
oct | 3247372040445 |
9 | 725135337225 |
10 | 228638343461 |
11 | 88a68425550 |
12 | 3838a628205 |
13 | 1873956c338 |
14 | b0cd759673 |
15 | 5e3277e55b |
hex | 353be84125 |
228638343461 has 8 divisors (see below), whose sum is σ = 258024463200. Its totient is φ = 200685693040.
The previous prime is 228638343433. The next prime is 228638343467. The reversal of 228638343461 is 164343836822.
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 228638343461 - 214 = 228638327077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228638343467) 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, 358366991 + ... + 358367628.
It is an arithmetic number, because the mean of its divisors is an integer number (32253057900).
Almost surely, 2228638343461 is an apocalyptic number.
It is an amenable number.
228638343461 is a deficient number, since it is larger than the sum of its proper divisors (29386119739).
228638343461 is a wasteful number, since it uses less digits than its factorization.
228638343461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 716734659.
The product of its digits is 3981312, while the sum is 50.
The spelling of 228638343461 in words is "two hundred twenty-eight billion, six hundred thirty-eight million, three hundred forty-three thousand, four hundred sixty-one".
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