Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010000110101001 |
3 | 12110012110221020110 |
4 | 1331321122012221 |
5 | 13311210414004 |
6 | 545331444533 |
7 | 103225261533 |
oct | 17571320651 |
9 | 5405427213 |
10 | 2112201129 |
11 | 994311a75 |
12 | 4ab456749 |
13 | 2787a056c |
14 | 160744853 |
15 | c5677589 |
hex | 7de5a1a9 |
2112201129 has 16 divisors (see below), whose sum is σ = 2903421312. Its totient is φ = 1364848128.
The previous prime is 2112201127. The next prime is 2112201187. The reversal of 2112201129 is 9211022112.
It is not a de Polignac number, because 2112201129 - 21 = 2112201127 is a prime.
It is a super-2 number, since 2×21122011292 = 8922787218697749282, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112201127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6984 + ... + 65369.
It is an arithmetic number, because the mean of its divisors is an integer number (181463832).
Almost surely, 22112201129 is an apocalyptic number.
It is an amenable number.
2112201129 is a deficient number, since it is larger than the sum of its proper divisors (791220183).
2112201129 is a wasteful number, since it uses less digits than its factorization.
2112201129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72656.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 2112201129 is about 45958.6893742631. The cubic root of 2112201129 is about 1283.0544584942.
The spelling of 2112201129 in words is "two billion, one hundred twelve million, two hundred one thousand, one hundred twenty-nine".
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