Base | Representation |
---|---|
bin | 10010101110110101… |
… | …100000011110010010 |
3 | 1220220201101221100222 |
4 | 102232311200132102 |
5 | 312142430201120 |
6 | 13123450113042 |
7 | 1311264540041 |
oct | 225665403622 |
9 | 56821357328 |
10 | 20113131410 |
11 | 859137a359 |
12 | 3a93a1b782 |
13 | 1b86c683b8 |
14 | d8b334558 |
15 | 7cab66525 |
hex | 4aed60792 |
20113131410 has 16 divisors (see below), whose sum is σ = 36206315712. Its totient is φ = 8044657200.
The previous prime is 20113131407. The next prime is 20113131419. The reversal of 20113131410 is 1413131102.
It is a super-4 number, since 4×201131314104 (a number of 42 digits) contains 4444 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20113131419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83405 + ... + 217215.
It is an arithmetic number, because the mean of its divisors is an integer number (2262894732).
Almost surely, 220113131410 is an apocalyptic number.
20113131410 is a deficient number, since it is larger than the sum of its proper divisors (16093184302).
20113131410 is a wasteful number, since it uses less digits than its factorization.
20113131410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148849.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 20113131410 its reverse (1413131102), we get a palindrome (21526262512).
The spelling of 20113131410 in words is "twenty billion, one hundred thirteen million, one hundred thirty-one thousand, four hundred ten".
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