Base | Representation |
---|---|
bin | 100110011001… |
… | …0100100111110 |
3 | 1101212201022122 |
4 | 1030302210332 |
5 | 20123130420 |
6 | 1555242542 |
7 | 333050240 |
oct | 114624476 |
9 | 41781278 |
10 | 20130110 |
11 | 103aa060 |
12 | 68a9452 |
13 | 422a710 |
14 | 2960090 |
15 | 1b79725 |
hex | 133293e |
20130110 has 64 divisors (see below), whose sum is σ = 48674304. Its totient is φ = 5788800.
The previous prime is 20130079. The next prime is 20130163. The reversal of 20130110 is 1103102.
It is a super-2 number, since 2×201301102 = 810442657224200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9005 + ... + 11015.
It is an arithmetic number, because the mean of its divisors is an integer number (760536).
Almost surely, 220130110 is an apocalyptic number.
20130110 is an abundant number, since it is smaller than the sum of its proper divisors (28544194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130110 is a wasteful number, since it uses less digits than its factorization.
20130110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2049.
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 20130110 is about 4486.6591134161. The cubic root of 20130110 is about 272.0291112873.
Adding to 20130110 its reverse (1103102), we get a palindrome (21233212).
The spelling of 20130110 in words is "twenty million, one hundred thirty thousand, one hundred ten".
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