Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100000101001010010 |
3 | 1220221012201120101001 |
4 | 102233100200221102 |
5 | 312201233210002 |
6 | 13124301532214 |
7 | 1311411651244 |
oct | 225720405122 |
9 | 56835646331 |
10 | 20120210002 |
11 | 8595374632 |
12 | 3a9627406a |
13 | 1b88576309 |
14 | d8c258094 |
15 | 7cb5b3a87 |
hex | 4af420a52 |
20120210002 has 8 divisors (see below), whose sum is σ = 30181164300. Its totient is φ = 10059821904.
The previous prime is 20120209987. The next prime is 20120210009. The reversal of 20120210002 is 20001202102.
It can be written as a sum of positive squares in 2 ways, for example, as 17945013681 + 2175196321 = 133959^2 + 46639^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20120210009) 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, 37377 + ... + 204052.
Almost surely, 220120210002 is an apocalyptic number.
20120210002 is a deficient number, since it is larger than the sum of its proper divisors (10060954298).
20120210002 is a wasteful number, since it uses less digits than its factorization.
20120210002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283100.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20120210002 its reverse (20001202102), we get a palindrome (40121412104).
The spelling of 20120210002 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, two".
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