Base | Representation |
---|---|
bin | 100000000010111000101… |
… | …100110110010010010011 |
3 | 21210112001200002022122100 |
4 | 200002320230312102103 |
5 | 242034421214114422 |
6 | 4403350233211443 |
7 | 315045431220201 |
oct | 40027054662223 |
9 | 7715050068570 |
10 | 2202122019987 |
11 | 779a0752000a |
12 | 2b6952260b83 |
13 | 12c8753b1076 |
14 | 78824710071 |
15 | 3c4378b87ac |
hex | 200b8b36493 |
2202122019987 has 24 divisors (see below), whose sum is σ = 3458977045056. Its totient is φ = 1344379735296.
The previous prime is 2202122019907. The next prime is 2202122020027. The reversal of 2202122019987 is 7899102212022.
2202122019987 is a `hidden beast` number, since 220 + 212 + 20 + 199 + 8 + 7 = 666.
It is not a de Polignac number, because 2202122019987 - 28 = 2202122019731 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2202122019907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194493723 + ... + 194505044.
It is an arithmetic number, because the mean of its divisors is an integer number (144124043544).
Almost surely, 22202122019987 is an apocalyptic number.
2202122019987 is a deficient number, since it is larger than the sum of its proper divisors (1256855025069).
2202122019987 is a wasteful number, since it uses less digits than its factorization.
2202122019987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388998827 (or 388998824 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 2202122019987 in words is "two trillion, two hundred two billion, one hundred twenty-two million, nineteen thousand, nine hundred eighty-seven".
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