Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010100100100111 |
3 | 12110012111000212111 |
4 | 1331321122210213 |
5 | 13311210444142 |
6 | 545331501451 |
7 | 103225300243 |
oct | 17571324447 |
9 | 5405430774 |
10 | 2112203047 |
11 | 994313459 |
12 | 4ab457887 |
13 | 2787a13b6 |
14 | 160745423 |
15 | c5677e17 |
hex | 7de5a927 |
2112203047 has 2 divisors, whose sum is σ = 2112203048. Its totient is φ = 2112203046.
The previous prime is 2112203003. The next prime is 2112203057. The reversal of 2112203047 is 7403022112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2112203047 - 27 = 2112202919 is a prime.
It is a super-2 number, since 2×21122030472 = 8922803423512168418, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2112203057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056101523 + 1056101524.
It is an arithmetic number, because the mean of its divisors is an integer number (1056101524).
Almost surely, 22112203047 is an apocalyptic number.
2112203047 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112203047 is an equidigital number, since it uses as much as digits as its factorization.
2112203047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 2112203047 is about 45958.7102408238. The cubic root of 2112203047 is about 1283.0548468565.
Adding to 2112203047 its reverse (7403022112), we get a palindrome (9515225159).
The spelling of 2112203047 in words is "two billion, one hundred twelve million, two hundred three thousand, forty-seven".
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