Base | Representation |
---|---|
bin | 10010101000001010… |
… | …010001011010010110 |
3 | 1220121220122220010021 |
4 | 102220022101122112 |
5 | 311430242243410 |
6 | 13104405415354 |
7 | 1305434556460 |
oct | 225012213226 |
9 | 56556586107 |
10 | 20001134230 |
11 | 8534134200 |
12 | 3a6240a55a |
13 | 1b699b3c8c |
14 | d7a4dd130 |
15 | 7c0de1eda |
hex | 4a8291696 |
20001134230 has 96 divisors (see below), whose sum is σ = 45290726208. Its totient is φ = 6225162240.
The previous prime is 20001134189. The next prime is 20001134233. The reversal of 20001134230 is 3243110002.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20001134233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8273982 + ... + 8276398.
It is an arithmetic number, because the mean of its divisors is an integer number (471778398).
Almost surely, 220001134230 is an apocalyptic number.
20001134230 is an abundant number, since it is smaller than the sum of its proper divisors (25289591978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20001134230 is a wasteful number, since it uses less digits than its factorization.
20001134230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3430 (or 3419 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20001134230 its reverse (3243110002), we get a palindrome (23244244232).
The spelling of 20001134230 in words is "twenty billion, one million, one hundred thirty-four thousand, two hundred thirty".
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