Base | Representation |
---|---|
bin | 10010101000001001… |
… | …110011000101011100 |
3 | 1220121220102120201121 |
4 | 102220021303011130 |
5 | 311430224310022 |
6 | 13104403020324 |
7 | 1305433531354 |
oct | 225011630534 |
9 | 56556376647 |
10 | 20001010012 |
11 | 8534059945 |
12 | 3a6236a6a4 |
13 | 1b6996c589 |
14 | d7a4a9b64 |
15 | 7c0dba2c7 |
hex | 4a827315c |
20001010012 has 12 divisors (see below), whose sum is σ = 35177657200. Its totient is φ = 9950250816.
The previous prime is 20001009953. The next prime is 20001010021. The reversal of 20001010012 is 21001010002.
It is a junction number, because it is equal to n+sod(n) for n = 20001009977 and 20001010004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12562653 + ... + 12564244.
Almost surely, 220001010012 is an apocalyptic number.
It is an amenable number.
20001010012 is a deficient number, since it is larger than the sum of its proper divisors (15176647188).
20001010012 is a wasteful number, since it uses less digits than its factorization.
20001010012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25127100 (or 25127098 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 20001010012 its reverse (21001010002), we get a palindrome (41002020014).
The spelling of 20001010012 in words is "twenty billion, one million, ten thousand, twelve".
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