Base | Representation |
---|---|
bin | 10010101111110101… |
… | …111001001111111010 |
3 | 1220221220011110120212 |
4 | 102233311321033322 |
5 | 312211240310411 |
6 | 13125251551122 |
7 | 1311561156053 |
oct | 225765711772 |
9 | 56856143525 |
10 | 20130010106 |
11 | 859a958598 |
12 | 3a995bb4a2 |
13 | 1b8a5c7bab |
14 | d8d68972a |
15 | 7cc39c68b |
hex | 4afd793fa |
20130010106 has 8 divisors (see below), whose sum is σ = 30196322580. Its totient is φ = 10064569248.
The previous prime is 20130010079. The next prime is 20130010139. The reversal of 20130010106 is 60101003102.
It can be written as a sum of positive squares in 2 ways, for example, as 14005539025 + 6124471081 = 118345^2 + 78259^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156731 + ... + 254606.
Almost surely, 220130010106 is an apocalyptic number.
20130010106 is a deficient number, since it is larger than the sum of its proper divisors (10066312474).
20130010106 is a wasteful number, since it uses less digits than its factorization.
20130010106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435808.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 20130010106 its reverse (60101003102), we get a palindrome (80231013208).
The spelling of 20130010106 in words is "twenty billion, one hundred thirty million, ten thousand, one hundred six".
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