Base | Representation |
---|---|
bin | 1101010100011101010… |
… | …1111000001001010010 |
3 | 210212122120100210000200 |
4 | 3111013111320021102 |
5 | 12222121011342033 |
6 | 253042333000030 |
7 | 22350424320432 |
oct | 3250725701122 |
9 | 725576323020 |
10 | 228830184018 |
11 | 89056745167 |
12 | 38422923016 |
13 | 1876a22a767 |
14 | b10b0162c2 |
15 | 5e44526013 |
hex | 3547578252 |
228830184018 has 54 divisors (see below), whose sum is σ = 500051712069. Its totient is φ = 75627958752.
The previous prime is 228830184017. The next prime is 228830184031. The reversal of 228830184018 is 810481038822.
It is a happy number.
228830184018 is a `hidden beast` number, since 228 + 8 + 3 + 0 + 18 + 401 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 227068451289 + 1761732729 = 476517^2 + 41973^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=338253.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (228830184013) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 278043555 + ... + 278044377.
Almost surely, 2228830184018 is an apocalyptic number.
228830184018 is an abundant number, since it is smaller than the sum of its proper divisors (271221528051).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228830184018 is an frugal number, since it uses more digits than its factorization.
228830184018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1928 (or 965 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 45.
The spelling of 228830184018 in words is "two hundred twenty-eight billion, eight hundred thirty million, one hundred eighty-four thousand, eighteen".
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