Base | Representation |
---|---|
bin | 10010101111110110… |
… | …010111010000010100 |
3 | 1220221220101201011221 |
4 | 102233312113100110 |
5 | 312211303224022 |
6 | 13125254340124 |
7 | 1311562210303 |
oct | 225766272024 |
9 | 56856351157 |
10 | 20130133012 |
11 | 859aa31970 |
12 | 3a9965a644 |
13 | 1b8a63bb12 |
14 | d8d6bc43a |
15 | 7cc3c3cc7 |
hex | 4afd97414 |
20130133012 has 24 divisors (see below), whose sum is σ = 38553060672. Its totient is φ = 9120820800.
The previous prime is 20130133003. The next prime is 20130133027. The reversal of 20130133012 is 21033103102.
20130133012 is nontrivially palindromic in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717064 + ... + 744607.
It is an arithmetic number, because the mean of its divisors is an integer number (1606377528).
Almost surely, 220130133012 is an apocalyptic number.
20130133012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20130133012 is a deficient number, since it is larger than the sum of its proper divisors (18422927660).
20130133012 is a wasteful number, since it uses less digits than its factorization.
20130133012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1461999 (or 1461997 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20130133012 its reverse (21033103102), we get a palindrome (41163236114).
The spelling of 20130133012 in words is "twenty billion, one hundred thirty million, one hundred thirty-three thousand, twelve".
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