Base | Representation |
---|---|
bin | 111110000001101… |
… | …1101100010100100 |
3 | 12101001022002110101 |
4 | 1330003131202210 |
5 | 13230302012322 |
6 | 542305033444 |
7 | 102401415112 |
oct | 17403354244 |
9 | 5331262411 |
10 | 2081282212 |
11 | 978914149 |
12 | 4a1025884 |
13 | 272266249 |
14 | 15a5b6ab2 |
15 | c2abb327 |
hex | 7c0dd8a4 |
2081282212 has 6 divisors (see below), whose sum is σ = 3642243878. Its totient is φ = 1040641104.
The previous prime is 2081282183. The next prime is 2081282219. The reversal of 2081282212 is 2122821802.
It can be written as a sum of positive squares in only one way, i.e., 2045210176 + 36072036 = 45224^2 + 6006^2 .
It is a super-2 number, since 2×20812822122 = 8663471291975225888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2081282219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260160273 + ... + 260160280.
Almost surely, 22081282212 is an apocalyptic number.
It is an amenable number.
2081282212 is a deficient number, since it is larger than the sum of its proper divisors (1560961666).
2081282212 is a wasteful number, since it uses less digits than its factorization.
2081282212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520320557 (or 520320555 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 2081282212 is about 45621.0720172159. The cubic root of 2081282212 is about 1276.7631047260.
The spelling of 2081282212 in words is "two billion, eighty-one million, two hundred eighty-two thousand, two hundred twelve".
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