Base | Representation |
---|---|
bin | 10010101110101010… |
… | …000011110000010000 |
3 | 1220220111202110110202 |
4 | 102232222003300100 |
5 | 312141143131232 |
6 | 13123301514332 |
7 | 1311230200115 |
oct | 225652036020 |
9 | 56814673422 |
10 | 20110130192 |
11 | 858a70a509 |
12 | 3a92a129a8 |
13 | 1b86457329 |
14 | d8ab9290c |
15 | 7ca772162 |
hex | 4aea83c10 |
20110130192 has 10 divisors (see below), whose sum is σ = 38963377278. Its totient is φ = 10055065088.
The previous prime is 20110130179. The next prime is 20110130197. The reversal of 20110130192 is 29103101102.
It can be written as a sum of positive squares in only one way, i.e., 12509080336 + 7601049856 = 111844^2 + 87184^2 .
It is not an unprimeable number, because it can be changed into a prime (20110130197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628441553 + ... + 628441584.
Almost surely, 220110130192 is an apocalyptic number.
It is an amenable number.
20110130192 is a deficient number, since it is larger than the sum of its proper divisors (18853247086).
20110130192 is a wasteful number, since it uses less digits than its factorization.
20110130192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1256883145 (or 1256883139 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 20110130192 its reverse (29103101102), we get a palindrome (49213231294).
The spelling of 20110130192 in words is "twenty billion, one hundred ten million, one hundred thirty thousand, one hundred ninety-two".
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