Base | Representation |
---|---|
bin | 10010101110110001… |
… | …001100010011001001 |
3 | 1220220122021110122100 |
4 | 102232301030103021 |
5 | 312142133001301 |
6 | 13123405544013 |
7 | 1311252116046 |
oct | 225661142311 |
9 | 56818243570 |
10 | 20112000201 |
11 | 8590777477 |
12 | 3a93575009 |
13 | 1b86960547 |
14 | d8b11c1cd |
15 | 7ca9e1286 |
hex | 4aec4c4c9 |
20112000201 has 12 divisors (see below), whose sum is σ = 29835820612. Its totient is φ = 13045621536.
The previous prime is 20112000191. The next prime is 20112000247. The reversal of 20112000201 is 10200021102.
It can be written as a sum of positive squares in 2 ways, for example, as 10833687225 + 9278312976 = 104085^2 + 96324^2 .
It is not a de Polignac number, because 20112000201 - 219 = 20111475913 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20112000001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30197866 + ... + 30198531.
Almost surely, 220112000201 is an apocalyptic number.
It is an amenable number.
20112000201 is a deficient number, since it is larger than the sum of its proper divisors (9723820411).
20112000201 is a wasteful number, since it uses less digits than its factorization.
20112000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60396440 (or 60396437 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 20112000201 its reverse (10200021102), we get a palindrome (30312021303).
The spelling of 20112000201 in words is "twenty billion, one hundred twelve million, two hundred one", and thus it is an aban number.
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