Base | Representation |
---|---|
bin | 101111100111000101… |
… | …0101000111000110111 |
3 | 100202220111111211021100 |
4 | 1133032022220320313 |
5 | 3133343221040343 |
6 | 114545253221143 |
7 | 10246452243444 |
oct | 1371612507067 |
9 | 322814454240 |
10 | 102243143223 |
11 | 3a3a7652881 |
12 | 179950317b3 |
13 | 9845468520 |
14 | 4d3cd2c9cb |
15 | 29d61299d3 |
hex | 17ce2a8e37 |
102243143223 has 24 divisors (see below), whose sum is σ = 159061365008. Its totient is φ = 62912339712.
The previous prime is 102243143153. The next prime is 102243143227. The reversal of 102243143223 is 322341342201.
102243143223 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 431 + 4 + 3 + 223 = 666.
It is not a de Polignac number, because 102243143223 - 212 = 102243139127 is a prime.
It is a super-2 number, since 2×1022431432232 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102243143227) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245711 + ... + 1325247.
Almost surely, 2102243143223 is an apocalyptic number.
102243143223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
102243143223 is a deficient number, since it is larger than the sum of its proper divisors (56818221785).
102243143223 is a wasteful number, since it uses less digits than its factorization.
102243143223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90543 (or 90540 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 102243143223 its reverse (322341342201), we get a palindrome (424584485424).
The spelling of 102243143223 in words is "one hundred two billion, two hundred forty-three million, one hundred forty-three thousand, two hundred twenty-three".
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