Base | Representation |
---|---|
bin | 11100001010101001… |
… | …011111101111010111 |
3 | 2220001201022222102000 |
4 | 130022221133233113 |
5 | 443414303434033 |
6 | 21521005250343 |
7 | 2120313560325 |
oct | 341251375727 |
9 | 86051288360 |
10 | 30243421143 |
11 | 1190a693a31 |
12 | 5a405639b3 |
13 | 2b0c943190 |
14 | 166c8d0d15 |
15 | bc01ada13 |
hex | 70aa5fbd7 |
30243421143 has 32 divisors (see below), whose sum is σ = 48547726080. Its totient is φ = 18497121120.
The previous prime is 30243421121. The next prime is 30243421147. The reversal of 30243421143 is 34112434203.
30243421143 is a `hidden beast` number, since 302 + 4 + 342 + 1 + 14 + 3 = 666.
It is not a de Polignac number, because 30243421143 - 26 = 30243421079 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30243421147) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207093 + ... + 321518.
It is an arithmetic number, because the mean of its divisors is an integer number (1517116440).
Almost surely, 230243421143 is an apocalyptic number.
30243421143 is a deficient number, since it is larger than the sum of its proper divisors (18304304937).
30243421143 is a wasteful number, since it uses less digits than its factorization.
30243421143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528796 (or 528790 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 30243421143 its reverse (34112434203), we get a palindrome (64355855346).
The spelling of 30243421143 in words is "thirty billion, two hundred forty-three million, four hundred twenty-one thousand, one hundred forty-three".
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