Base | Representation |
---|---|
bin | 111101010011110… |
… | …110000001110100 |
3 | 2122200111220200121 |
4 | 331103312001310 |
5 | 4101311042322 |
6 | 250022421324 |
7 | 34330026265 |
oct | 7523660164 |
9 | 2580456617 |
10 | 1028612212 |
11 | 488696641 |
12 | 248591844 |
13 | 1351475a4 |
14 | 9a87896c |
15 | 60483ec7 |
hex | 3d4f6074 |
1028612212 has 12 divisors (see below), whose sum is σ = 1800338400. Its totient is φ = 514229816.
The previous prime is 1028612191. The next prime is 1028612257. The reversal of 1028612212 is 2122168201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20289 + ... + 49687.
It is an arithmetic number, because the mean of its divisors is an integer number (150028200).
Almost surely, 21028612212 is an apocalyptic number.
It is an amenable number.
1028612212 is a deficient number, since it is larger than the sum of its proper divisors (771726188).
1028612212 is a wasteful number, since it uses less digits than its factorization.
1028612212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38150 (or 38148 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 1028612212 is about 32071.9848465916. The cubic root of 1028612212 is about 1009.4478608142.
The spelling of 1028612212 in words is "one billion, twenty-eight million, six hundred twelve thousand, two hundred twelve".
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