Base | Representation |
---|---|
bin | 111111100000001… |
… | …0010100000010010 |
3 | 12111111102221201020 |
4 | 1333000102200102 |
5 | 13330440012401 |
6 | 551234020310 |
7 | 103542231036 |
oct | 17700224022 |
9 | 5444387636 |
10 | 2130782226 |
11 | 9a3853251 |
12 | 4b5717696 |
13 | 27c5a7bb1 |
14 | 162dc01c6 |
15 | c70e7d36 |
hex | 7f012812 |
2130782226 has 8 divisors (see below), whose sum is σ = 4261564464. Its totient is φ = 710260740.
The previous prime is 2130782209. The next prime is 2130782281. The reversal of 2130782226 is 6222870312.
It is a sphenic number, since it is the product of 3 distinct primes.
2130782226 is an admirable number.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 177565180 + ... + 177565191.
It is an arithmetic number, because the mean of its divisors is an integer number (532695558).
Almost surely, 22130782226 is an apocalyptic number.
2130782226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130782226 is a wasteful number, since it uses less digits than its factorization.
2130782226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355130376.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 2130782226 is about 46160.3967270646. The cubic root of 2130782226 is about 1286.8058358270.
The spelling of 2130782226 in words is "two billion, one hundred thirty million, seven hundred eighty-two thousand, two hundred twenty-six".
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