Base | Representation |
---|---|
bin | 11100000100101010… |
… | …111101110011111001 |
3 | 2212210201122022212200 |
4 | 130010222331303321 |
5 | 443213121040121 |
6 | 21503024100413 |
7 | 2114655326565 |
oct | 340452756371 |
9 | 85721568780 |
10 | 30143143161 |
11 | 1186902266a |
12 | 5a12a64709 |
13 | 2ac4c32cb1 |
14 | 165d46a6a5 |
15 | bb64a1a26 |
hex | 704abdcf9 |
30143143161 has 12 divisors (see below), whose sum is σ = 45831679920. Its totient is φ = 19037774520.
The previous prime is 30143143157. The next prime is 30143143169. The reversal of 30143143161 is 16134134103.
30143143161 is a `hidden beast` number, since 30 + 1 + 4 + 314 + 316 + 1 = 666.
It is not a de Polignac number, because 30143143161 - 22 = 30143143157 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30143143169) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88137675 + ... + 88138016.
It is an arithmetic number, because the mean of its divisors is an integer number (3819306660).
Almost surely, 230143143161 is an apocalyptic number.
It is an amenable number.
30143143161 is a deficient number, since it is larger than the sum of its proper divisors (15688536759).
30143143161 is a wasteful number, since it uses less digits than its factorization.
30143143161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176275716 (or 176275713 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 30143143161 its reverse (16134134103), we get a palindrome (46277277264).
The spelling of 30143143161 in words is "thirty billion, one hundred forty-three million, one hundred forty-three thousand, one hundred sixty-one".
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