Base | Representation |
---|---|
bin | 10010101000110011… |
… | …110000101000011101 |
3 | 1220122200010102220001 |
4 | 102220303300220131 |
5 | 311441033310023 |
6 | 13105434454301 |
7 | 1305626164342 |
oct | 225063605035 |
9 | 56580112801 |
10 | 20012010013 |
11 | 853a292356 |
12 | 3a65b94391 |
13 | 1b6c021358 |
14 | d7bb307c9 |
15 | 7c1d3e6ad |
hex | 4a8cf0a1d |
20012010013 has 8 divisors (see below), whose sum is σ = 20245601376. Its totient is φ = 19779114000.
The previous prime is 20012009959. The next prime is 20012010023. The reversal of 20012010013 is 31001021002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20012010013 - 221 = 20009912861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012010023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115831 + ... + 231172.
It is an arithmetic number, because the mean of its divisors is an integer number (2530700172).
Almost surely, 220012010013 is an apocalyptic number.
It is an amenable number.
20012010013 is a deficient number, since it is larger than the sum of its proper divisors (233591363).
20012010013 is a wasteful number, since it uses less digits than its factorization.
20012010013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347675.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20012010013 its reverse (31001021002), we get a palindrome (51013031015).
The spelling of 20012010013 in words is "twenty billion, twelve million, ten thousand, thirteen".
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