Base | Representation |
---|---|
bin | 10010101111110111… |
… | …000000000011001111 |
3 | 1220221220201012101210 |
4 | 102233313000003033 |
5 | 312211324100421 |
6 | 13125302105503 |
7 | 1311563504415 |
oct | 225767000317 |
9 | 56856635353 |
10 | 20130300111 |
11 | 85a0036469 |
12 | 3a9971b293 |
13 | 1b8a699bac |
14 | d8d7232b5 |
15 | 7cc408576 |
hex | 4afdc00cf |
20130300111 has 4 divisors (see below), whose sum is σ = 26840400152. Its totient is φ = 13420200072.
The previous prime is 20130300077. The next prime is 20130300133. The reversal of 20130300111 is 11100303102.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20130300111 - 27 = 20130299983 is a prime.
It is a super-2 number, since 2×201303001112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130300161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355050016 + ... + 3355050021.
It is an arithmetic number, because the mean of its divisors is an integer number (6710100038).
Almost surely, 220130300111 is an apocalyptic number.
20130300111 is a deficient number, since it is larger than the sum of its proper divisors (6710100041).
20130300111 is an equidigital number, since it uses as much as digits as its factorization.
20130300111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6710100040.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 20130300111 its reverse (11100303102), we get a palindrome (31230603213).
The spelling of 20130300111 in words is "twenty billion, one hundred thirty million, three hundred thousand, one hundred eleven".
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