Base | Representation |
---|---|
bin | 111110111110001… |
… | …1101001100010100 |
3 | 12110020222112101010 |
4 | 1331330131030110 |
5 | 13311412001322 |
6 | 545400532220 |
7 | 103235130321 |
oct | 17574351424 |
9 | 5406875333 |
10 | 2113000212 |
11 | 994808374 |
12 | 4ab781070 |
13 | 2789c01ab |
14 | 1608b1b48 |
15 | c578420c |
hex | 7df1d314 |
2113000212 has 12 divisors (see below), whose sum is σ = 4930333856. Its totient is φ = 704333400.
The previous prime is 2113000199. The next prime is 2113000213. The reversal of 2113000212 is 2120003112.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 176083351 = 2113000212 / (2 + 1 + 1 + 3 + 0 + 0 + 0 + 2 + 1 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2113000213) 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, 88041664 + ... + 88041687.
Almost surely, 22113000212 is an apocalyptic number.
It is an amenable number.
2113000212 is an abundant number, since it is smaller than the sum of its proper divisors (2817333644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113000212 is a wasteful number, since it uses less digits than its factorization.
2113000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176083358 (or 176083356 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2113000212 is about 45967.3820442278. The cubic root of 2113000212 is about 1283.2162388169.
Adding to 2113000212 its reverse (2120003112), we get a palindrome (4233003324).
The spelling of 2113000212 in words is "two billion, one hundred thirteen million, two hundred twelve", and thus it is an aban number.
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