Base | Representation |
---|---|
bin | 10010101000001010… |
… | …101001000100001001 |
3 | 1220121220211211000112 |
4 | 102220022221010021 |
5 | 311430303343423 |
6 | 13104411444105 |
7 | 1305435442103 |
oct | 225012510411 |
9 | 56556754015 |
10 | 20001231113 |
11 | 853419aa76 |
12 | 3a62456635 |
13 | 1b69a190c6 |
14 | d7a526573 |
15 | 7c0e10a78 |
hex | 4a82a9109 |
20001231113 has 8 divisors (see below), whose sum is σ = 20037417120. Its totient is φ = 19965077440.
The previous prime is 20001231109. The next prime is 20001231179. The reversal of 20001231113 is 31113210002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20001231113 - 22 = 20001231109 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20001231413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461818 + ... + 1475436.
It is an arithmetic number, because the mean of its divisors is an integer number (2504677140).
Almost surely, 220001231113 is an apocalyptic number.
It is an amenable number.
20001231113 is a deficient number, since it is larger than the sum of its proper divisors (36186007).
20001231113 is a wasteful number, since it uses less digits than its factorization.
20001231113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16167.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 20001231113 its reverse (31113210002), we get a palindrome (51114441115).
The spelling of 20001231113 in words is "twenty billion, one million, two hundred thirty-one thousand, one hundred thirteen".
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