Base | Representation |
---|---|
bin | 1010110100100111… |
… | …1110001001010100 |
3 | 21111110101221220010 |
4 | 2231021332021110 |
5 | 21422144302322 |
6 | 1200133440220 |
7 | 131663464200 |
oct | 25511761124 |
9 | 7443357803 |
10 | 2905072212 |
11 | 1260923829 |
12 | 690aa0070 |
13 | 373b28653 |
14 | 1d7b75b00 |
15 | 12009220c |
hex | ad27e254 |
2905072212 has 72 divisors (see below), whose sum is σ = 7901796000. Its totient is φ = 828273600.
The previous prime is 2905072207. The next prime is 2905072213. The reversal of 2905072212 is 2122705092.
2905072212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 2905072212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2905072213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288462 + ... + 298362.
Almost surely, 22905072212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2905072212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950898000).
2905072212 is an abundant number, since it is smaller than the sum of its proper divisors (4996723788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2905072212 is a wasteful number, since it uses less digits than its factorization.
2905072212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10421 (or 10412 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 2905072212 is about 53898.7218030261. The cubic root of 2905072212 is about 1426.8740644081.
The spelling of 2905072212 in words is "two billion, nine hundred five million, seventy-two thousand, two hundred twelve".
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